Fix ruff errors#8936

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Merged
cclauss merged 3 commits into from
Aug 9, 2023
Merged

Fix ruff errors #8936

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7d9a4d9
Fix ruff errors
tianyizheng02 Aug 9, 2023
9b8be5a
updating DIRECTORY.md
Aug 9, 2023
803e444
Change input_data.py_tf file extension
tianyizheng02 Aug 9, 2023
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1 change: 0 additions & 1 deletion DIRECTORY.md
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Original file line numberDiff line numberDiff line change
Expand Up@@ -710,7 +710,6 @@
* [Exponential Linear Unit](neural_network/activation_functions/exponential_linear_unit.py)
* [Back Propagation Neural Network](neural_network/back_propagation_neural_network.py)
* [Convolution Neural Network](neural_network/convolution_neural_network.py)
* [Input Data](neural_network/input_data.py)
* [Perceptron](neural_network/perceptron.py)
* [Simple Neural Network](neural_network/simple_neural_network.py)

Expand Down
30 changes: 19 additions & 11 deletions conversions/length_conversion.py
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Expand Up@@ -22,9 +22,13 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Millimeter
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
from_factor: float
to_factor: float

from_to = namedtuple("from_to", "from_ to")

TYPE_CONVERSION = {
"millimeter": "mm",
Expand All@@ -40,14 +44,14 @@
}

METRIC_CONVERSION = {
"mm": from_to(0.001, 1000),
"cm": from_to(0.01, 100),
"m": from_to(1, 1),
"km": from_to(1000, 0.001),
"in": from_to(0.0254, 39.3701),
"ft": from_to(0.3048, 3.28084),
"yd": from_to(0.9144, 1.09361),
"mi": from_to(1609.34, 0.000621371),
"mm": FromTo(0.001, 1000),
"cm": FromTo(0.01, 100),
"m": FromTo(1, 1),
"km": FromTo(1000, 0.001),
"in": FromTo(0.0254, 39.3701),
"ft": FromTo(0.3048, 3.28084),
"yd": FromTo(0.9144, 1.09361),
"mi": FromTo(1609.34, 0.000621371),
}


Expand DownExpand Up@@ -115,7 +119,11 @@ def length_conversion(value: float, from_type: str, to_type: str) -> float:
f"Conversion abbreviations are: {', '.join(METRIC_CONVERSION)}"
)
raise ValueError(msg)
return value * METRIC_CONVERSION[new_from].from_ * METRIC_CONVERSION[new_to].to
return (
value
* METRIC_CONVERSION[new_from].from_factor
* METRIC_CONVERSION[new_to].to_factor
)


if __name__ == "__main__":
Expand Down
28 changes: 17 additions & 11 deletions conversions/pressure_conversions.py
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Expand Up@@ -19,19 +19,23 @@
-> https://www.unitconverters.net/pressure-converter.html
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
from_factor: float
to_factor: float

from_to = namedtuple("from_to", "from_ to")

PRESSURE_CONVERSION = {
"atm": from_to(1, 1),
"pascal": from_to(0.0000098, 101325),
"bar": from_to(0.986923, 1.01325),
"kilopascal": from_to(0.00986923, 101.325),
"megapascal": from_to(9.86923, 0.101325),
"psi": from_to(0.068046, 14.6959),
"inHg": from_to(0.0334211, 29.9213),
"torr": from_to(0.00131579, 760),
"atm": FromTo(1, 1),
"pascal": FromTo(0.0000098, 101325),
"bar": FromTo(0.986923, 1.01325),
"kilopascal": FromTo(0.00986923, 101.325),
"megapascal": FromTo(9.86923, 0.101325),
"psi": FromTo(0.068046, 14.6959),
"inHg": FromTo(0.0334211, 29.9213),
"torr": FromTo(0.00131579, 760),
}


Expand DownExpand Up@@ -71,7 +75,9 @@ def pressure_conversion(value: float, from_type: str, to_type: str) -> float:
+ ", ".join(PRESSURE_CONVERSION)
)
return (
value * PRESSURE_CONVERSION[from_type].from_ * PRESSURE_CONVERSION[to_type].to
value
* PRESSURE_CONVERSION[from_type].from_factor
* PRESSURE_CONVERSION[to_type].to_factor
)


Expand Down
40 changes: 24 additions & 16 deletions conversions/volume_conversions.py
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Expand Up@@ -18,43 +18,47 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Cup_(unit)
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
from_factor: float
to_factor: float

from_to = namedtuple("from_to", "from_ to")

METRIC_CONVERSION = {
"cubicmeter": from_to(1, 1),
"litre": from_to(0.001, 1000),
"kilolitre": from_to(1, 1),
"gallon": from_to(0.00454, 264.172),
"cubicyard": from_to(0.76455, 1.30795),
"cubicfoot": from_to(0.028, 35.3147),
"cup": from_to(0.000236588, 4226.75),
"cubic meter": FromTo(1, 1),
"litre": FromTo(0.001, 1000),
"kilolitre": FromTo(1, 1),
"gallon": FromTo(0.00454, 264.172),
"cubic yard": FromTo(0.76455, 1.30795),
"cubic foot": FromTo(0.028, 35.3147),
"cup": FromTo(0.000236588, 4226.75),
}


def volume_conversion(value: float, from_type: str, to_type: str) -> float:
"""
Conversion between volume units.
>>> volume_conversion(4, "cubicmeter", "litre")
>>> volume_conversion(4, "cubic meter", "litre")
4000
>>> volume_conversion(1, "litre", "gallon")
0.264172
>>> volume_conversion(1, "kilolitre", "cubicmeter")
>>> volume_conversion(1, "kilolitre", "cubic meter")
1
>>> volume_conversion(3, "gallon", "cubicyard")
>>> volume_conversion(3, "gallon", "cubic yard")
0.017814279
>>> volume_conversion(2, "cubicyard", "litre")
>>> volume_conversion(2, "cubic yard", "litre")
1529.1
>>> volume_conversion(4, "cubicfoot", "cup")
>>> volume_conversion(4, "cubic foot", "cup")
473.396
>>> volume_conversion(1, "cup", "kilolitre")
0.000236588
>>> volume_conversion(4, "wrongUnit", "litre")
Traceback (most recent call last):
...
ValueError: Invalid 'from_type' value: 'wrongUnit' Supported values are:
cubicmeter, litre, kilolitre, gallon, cubicyard, cubicfoot, cup
cubic meter, litre, kilolitre, gallon, cubic yard, cubic foot, cup
"""
if from_type not in METRIC_CONVERSION:
raise ValueError(
Expand All@@ -66,7 +70,11 @@ def volume_conversion(value: float, from_type: str, to_type: str) -> float:
f"Invalid 'to_type' value: {to_type!r}. Supported values are:\n"
+ ", ".join(METRIC_CONVERSION)
)
return value * METRIC_CONVERSION[from_type].from_ * METRIC_CONVERSION[to_type].to
return (
value
* METRIC_CONVERSION[from_type].from_factor
* METRIC_CONVERSION[to_type].to_factor
)


if __name__ == "__main__":
Expand Down
10 changes: 6 additions & 4 deletions data_structures/binary_tree/distribute_coins.py
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Expand Up@@ -39,8 +39,8 @@

from __future__ import annotations

from collections import namedtuple
from dataclasses import dataclass
from typing import NamedTuple


@dataclass
Expand All@@ -50,7 +50,9 @@ class TreeNode:
right: TreeNode | None = None


CoinsDistribResult = namedtuple("CoinsDistribResult", "moves excess")
class CoinsDistribResult(NamedTuple):
moves: int
excess: int


def distribute_coins(root: TreeNode | None) -> int:
Expand DownExpand Up@@ -79,7 +81,7 @@ def distribute_coins(root: TreeNode | None) -> int:
# Validation
def count_nodes(node: TreeNode | None) -> int:
"""
>>> count_nodes(None):
>>> count_nodes(None)
0
"""
if node is None:
Expand All@@ -89,7 +91,7 @@ def count_nodes(node: TreeNode | None) -> int:

def count_coins(node: TreeNode | None) -> int:
"""
>>> count_coins(None):
>>> count_coins(None)
0
"""
if node is None:
Expand Down
22 changes: 13 additions & 9 deletions electronics/electric_power.py
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Original file line numberDiff line numberDiff line change
@@ -1,7 +1,12 @@
# https://en.m.wikipedia.org/wiki/Electric_power
from __future__ import annotations

from collections import namedtuple
from typing import NamedTuple


class Result(NamedTuple):
name: str
value: float


def electric_power(voltage: float, current: float, power: float) -> tuple:
Expand All@@ -10,11 +15,11 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
fundamental value of electrical system.
examples are below:
>>> electric_power(voltage=0, current=2, power=5)
result(name='voltage', value=2.5)
Result(name='voltage', value=2.5)
>>> electric_power(voltage=2, current=2, power=0)
result(name='power', value=4.0)
Result(name='power', value=4.0)
>>> electric_power(voltage=-2, current=3, power=0)
result(name='power', value=6.0)
Result(name='power', value=6.0)
>>> electric_power(voltage=2, current=4, power=2)
Traceback (most recent call last):
...
Expand All@@ -28,21 +33,20 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
...
ValueError: Power cannot be negative in any electrical/electronics system
>>> electric_power(voltage=2.2, current=2.2, power=0)
result(name='power', value=4.84)
Result(name='power', value=4.84)
"""
result = namedtuple("result", "name value")
if (voltage, current, power).count(0) != 1:
raise ValueError("Only one argument must be 0")
elif power < 0:
raise ValueError(
"Power cannot be negative in any electrical/electronics system"
)
elif voltage == 0:
return result("voltage", power / current)
return Result("voltage", power / current)
elif current == 0:
return result("current", power / voltage)
return Result("current", power / voltage)
elif power == 0:
return result("power", float(round(abs(voltage * current), 2)))
return Result("power", float(round(abs(voltage * current), 2)))
else:
raise ValueError("Exactly one argument must be 0")

Expand Down
4 changes: 2 additions & 2 deletions graphs/bi_directional_dijkstra.py
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Expand Up@@ -26,8 +26,8 @@ def pass_and_relaxation(
cst_bwd: dict,
queue: PriorityQueue,
parent: dict,
shortest_distance: float | int,
) -> float | int:
shortest_distance: float,
) -> float:
for nxt, d in graph[v]:
if nxt in visited_forward:
continue
Expand Down
6 changes: 3 additions & 3 deletions maths/area_under_curve.py
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Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
fnc: Callable[[int | float], int | float],
x_start: int | float,
x_end: int | float,
fnc: Callable[[float], float],
x_start: float,
x_end: float,
steps: int = 100,
) -> float:
"""
Expand Down
2 changes: 1 addition & 1 deletion maths/decimal_to_fraction.py
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@@ -1,4 +1,4 @@
def decimal_to_fraction(decimal: int | float | str) -> tuple[int, int]:
def decimal_to_fraction(decimal: float | str) -> tuple[int, int]:
"""
Return a decimal number in its simplest fraction form
>>> decimal_to_fraction(2)
Expand Down
6 changes: 3 additions & 3 deletions maths/line_length.py
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Expand Up@@ -5,9 +5,9 @@


def line_length(
fnc: Callable[[int | float], int | float],
x_start: int | float,
x_end: int | float,
fnc: Callable[[float], float],
x_start: float,
x_end: float,
steps: int = 100,
) -> float:
"""
Expand Down
6 changes: 3 additions & 3 deletions maths/numerical_integration.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
fnc: Callable[[int | float], int | float],
x_start: int | float,
x_end: int | float,
fnc: Callable[[float], float],
x_start: float,
x_end: float,
steps: int = 100,
) -> float:
"""
Expand Down
4 changes: 2 additions & 2 deletions maths/polynomials/single_indeterminate_operations.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -87,7 +87,7 @@ def __mul__(self, polynomial_2: Polynomial) -> Polynomial:

return Polynomial(self.degree + polynomial_2.degree, coefficients)

def evaluate(self, substitution: int | float) -> int | float:
def evaluate(self, substitution: float) -> float:
"""
Evaluates the polynomial at x.
>>> p = Polynomial(2, [1, 2, 3])
Expand DownExpand Up@@ -144,7 +144,7 @@ def derivative(self) -> Polynomial:
coefficients[i] = self.coefficients[i + 1] * (i + 1)
return Polynomial(self.degree - 1, coefficients)

def integral(self, constant: int | float = 0) -> Polynomial:
def integral(self, constant: float = 0) -> Polynomial:
"""
Returns the integral of the polynomial.
>>> p = Polynomial(2, [1, 2, 3])
Expand Down
10 changes: 5 additions & 5 deletions maths/series/geometric_series.py
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Expand Up@@ -14,10 +14,10 @@


def geometric_series(
nth_term: float | int,
start_term_a: float | int,
common_ratio_r: float | int,
) -> list[float | int]:
nth_term: float,
start_term_a: float,
common_ratio_r: float,
) -> list[float]:
"""
Pure Python implementation of Geometric Series algorithm

Expand DownExpand Up@@ -48,7 +48,7 @@ def geometric_series(
"""
if not all((nth_term, start_term_a, common_ratio_r)):
return []
series: list[float | int] = []
series: list[float] = []
power = 1
multiple = common_ratio_r
for _ in range(int(nth_term)):
Expand Down
2 changes: 1 addition & 1 deletion maths/series/p_series.py
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Expand Up@@ -13,7 +13,7 @@
from __future__ import annotations


def p_series(nth_term: int | float | str, power: int | float | str) -> list[str]:
def p_series(nth_term: float | str, power: float | str) -> list[str]:
"""
Pure Python implementation of P-Series algorithm
:return: The P-Series starting from 1 to last (nth) term
Expand Down
2 changes: 1 addition & 1 deletion maths/volume.py
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Expand Up@@ -8,7 +8,7 @@
from math import pi, pow


def vol_cube(side_length: int | float) -> float:
def vol_cube(side_length: float) -> float:
"""
Calculate the Volume of a Cube.
>>> vol_cube(1)
Expand Down
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Fix ruff errors#8936

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 Merged

cclauss
merged 3 commits into

from

Aug 9, 2023
 Merged


Fix ruff errors
#8936
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7d9a4d9

Fix ruff errors


tianyizheng02 Aug 9, 2023
9b8be5a

updating DIRECTORY.md

Aug 9, 2023
803e444

Change input_data.py_tf file extension


tianyizheng02 Aug 9, 2023

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1 change: 0 additions & 1 deletion
DIRECTORY.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -710,7 +710,6 @@
 * [Exponential Linear Unit](neural_network/activation_functions/exponential_linear_unit.py)
 * [Back Propagation Neural Network](neural_network/back_propagation_neural_network.py)
 * [Convolution Neural Network](neural_network/convolution_neural_network.py)
 * [Input Data](neural_network/input_data.py)
 * [Perceptron](neural_network/perceptron.py)
 * [Simple Neural Network](neural_network/simple_neural_network.py)

Expand Down

30 changes: 19 additions & 11 deletions
conversions/length_conversion.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,9 +22,13 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Millimeter
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

TYPE_CONVERSION = {
 "millimeter": "mm",
Expand All@@ -40,14 +44,14 @@
}

METRIC_CONVERSION = {
 "mm": from_to(0.001, 1000),
 "cm": from_to(0.01, 100),
 "m": from_to(1, 1),
 "km": from_to(1000, 0.001),
 "in": from_to(0.0254, 39.3701),
 "ft": from_to(0.3048, 3.28084),
 "yd": from_to(0.9144, 1.09361),
 "mi": from_to(1609.34, 0.000621371),
 "mm": FromTo(0.001, 1000),
 "cm": FromTo(0.01, 100),
 "m": FromTo(1, 1),
 "km": FromTo(1000, 0.001),
 "in": FromTo(0.0254, 39.3701),
 "ft": FromTo(0.3048, 3.28084),
 "yd": FromTo(0.9144, 1.09361),
 "mi": FromTo(1609.34, 0.000621371),
}


Expand DownExpand Up@@ -115,7 +119,11 @@ def length_conversion(value: float, from_type: str, to_type: str) -> float:
 f"Conversion abbreviations are: {', '.join(METRIC_CONVERSION)}"
 )
 raise ValueError(msg)
 return value * METRIC_CONVERSION[new_from].from_ * METRIC_CONVERSION[new_to].to
 return (
 value
 * METRIC_CONVERSION[new_from].from_factor
 * METRIC_CONVERSION[new_to].to_factor
 )


if __name__ == "__main__":
Expand Down

28 changes: 17 additions & 11 deletions
conversions/pressure_conversions.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -19,19 +19,23 @@
-> https://www.unitconverters.net/pressure-converter.html
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

PRESSURE_CONVERSION = {
 "atm": from_to(1, 1),
 "pascal": from_to(0.0000098, 101325),
 "bar": from_to(0.986923, 1.01325),
 "kilopascal": from_to(0.00986923, 101.325),
 "megapascal": from_to(9.86923, 0.101325),
 "psi": from_to(0.068046, 14.6959),
 "inHg": from_to(0.0334211, 29.9213),
 "torr": from_to(0.00131579, 760),
 "atm": FromTo(1, 1),
 "pascal": FromTo(0.0000098, 101325),
 "bar": FromTo(0.986923, 1.01325),
 "kilopascal": FromTo(0.00986923, 101.325),
 "megapascal": FromTo(9.86923, 0.101325),
 "psi": FromTo(0.068046, 14.6959),
 "inHg": FromTo(0.0334211, 29.9213),
 "torr": FromTo(0.00131579, 760),
}


Expand DownExpand Up@@ -71,7 +75,9 @@ def pressure_conversion(value: float, from_type: str, to_type: str) -> float:
 + ", ".join(PRESSURE_CONVERSION)
 )
 return (
 value * PRESSURE_CONVERSION[from_type].from_ * PRESSURE_CONVERSION[to_type].to
 value
 * PRESSURE_CONVERSION[from_type].from_factor
 * PRESSURE_CONVERSION[to_type].to_factor
 )


Expand Down

40 changes: 24 additions & 16 deletions
conversions/volume_conversions.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -18,43 +18,47 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Cup_(unit)
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

METRIC_CONVERSION = {
 "cubicmeter": from_to(1, 1),
 "litre": from_to(0.001, 1000),
 "kilolitre": from_to(1, 1),
 "gallon": from_to(0.00454, 264.172),
 "cubicyard": from_to(0.76455, 1.30795),
 "cubicfoot": from_to(0.028, 35.3147),
 "cup": from_to(0.000236588, 4226.75),
 "cubic meter": FromTo(1, 1),
 "litre": FromTo(0.001, 1000),
 "kilolitre": FromTo(1, 1),
 "gallon": FromTo(0.00454, 264.172),
 "cubic yard": FromTo(0.76455, 1.30795),
 "cubic foot": FromTo(0.028, 35.3147),
 "cup": FromTo(0.000236588, 4226.75),
}


def volume_conversion(value: float, from_type: str, to_type: str) -> float:
 """
 Conversion between volume units.
 >>> volume_conversion(4, "cubicmeter", "litre")
 >>> volume_conversion(4, "cubic meter", "litre")
 4000
 >>> volume_conversion(1, "litre", "gallon")
 0.264172
 >>> volume_conversion(1, "kilolitre", "cubicmeter")
 >>> volume_conversion(1, "kilolitre", "cubic meter")
 1
 >>> volume_conversion(3, "gallon", "cubicyard")
 >>> volume_conversion(3, "gallon", "cubic yard")
 0.017814279
 >>> volume_conversion(2, "cubicyard", "litre")
 >>> volume_conversion(2, "cubic yard", "litre")
 1529.1
 >>> volume_conversion(4, "cubicfoot", "cup")
 >>> volume_conversion(4, "cubic foot", "cup")
 473.396
 >>> volume_conversion(1, "cup", "kilolitre")
 0.000236588
 >>> volume_conversion(4, "wrongUnit", "litre")
 Traceback (most recent call last):
 ...
 ValueError: Invalid 'from_type' value: 'wrongUnit' Supported values are:
cubicmeter, litre, kilolitre, gallon, cubicyard, cubicfoot, cup
cubic meter, litre, kilolitre, gallon, cubic yard, cubic foot, cup
 """
 if from_type not in METRIC_CONVERSION:
 raise ValueError(
Expand All@@ -66,7 +70,11 @@ def volume_conversion(value: float, from_type: str, to_type: str) -> float:
 f"Invalid 'to_type' value: {to_type!r}. Supported values are:\n"
 + ", ".join(METRIC_CONVERSION)
 )
 return value * METRIC_CONVERSION[from_type].from_ * METRIC_CONVERSION[to_type].to
 return (
 value
 * METRIC_CONVERSION[from_type].from_factor
 * METRIC_CONVERSION[to_type].to_factor
 )


if __name__ == "__main__":
Expand Down

10 changes: 6 additions & 4 deletions
data_structures/binary_tree/distribute_coins.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -39,8 +39,8 @@

from __future__ import annotations

from collections import namedtuple
from dataclasses import dataclass
from typing import NamedTuple


@dataclass
Expand All@@ -50,7 +50,9 @@ class TreeNode:
 right: TreeNode | None = None


CoinsDistribResult = namedtuple("CoinsDistribResult", "moves excess")
class CoinsDistribResult(NamedTuple):
 moves: int
 excess: int


def distribute_coins(root: TreeNode | None) -> int:
Expand DownExpand Up@@ -79,7 +81,7 @@ def distribute_coins(root: TreeNode | None) -> int:
 # Validation
 def count_nodes(node: TreeNode | None) -> int:
 """
 >>> count_nodes(None):
 >>> count_nodes(None)
 0
 """
 if node is None:
Expand All@@ -89,7 +91,7 @@ def count_nodes(node: TreeNode | None) -> int:

 def count_coins(node: TreeNode | None) -> int:
 """
 >>> count_coins(None):
 >>> count_coins(None)
 0
 """
 if node is None:
Expand Down

22 changes: 13 additions & 9 deletions
electronics/electric_power.py

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Original file line numberDiff line numberDiff line change
@@ -1,7 +1,12 @@
# https://en.m.wikipedia.org/wiki/Electric_power
from __future__ import annotations

from collections import namedtuple
from typing import NamedTuple


class Result(NamedTuple):
 name: str
 value: float


def electric_power(voltage: float, current: float, power: float) -> tuple:
Expand All@@ -10,11 +15,11 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
 fundamental value of electrical system.
 examples are below:
 >>> electric_power(voltage=0, current=2, power=5)
result(name='voltage', value=2.5)
Result(name='voltage', value=2.5)
 >>> electric_power(voltage=2, current=2, power=0)
result(name='power', value=4.0)
Result(name='power', value=4.0)
 >>> electric_power(voltage=-2, current=3, power=0)
result(name='power', value=6.0)
Result(name='power', value=6.0)
 >>> electric_power(voltage=2, current=4, power=2)
 Traceback (most recent call last):
 ...
Expand All@@ -28,21 +33,20 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
 ...
 ValueError: Power cannot be negative in any electrical/electronics system
 >>> electric_power(voltage=2.2, current=2.2, power=0)
result(name='power', value=4.84)
Result(name='power', value=4.84)
 """
 result = namedtuple("result", "name value")
 if (voltage, current, power).count(0) != 1:
 raise ValueError("Only one argument must be 0")
 elif power < 0:
 raise ValueError(
 "Power cannot be negative in any electrical/electronics system"
 )
 elif voltage == 0:
 return result("voltage", power / current)
 return Result("voltage", power / current)
 elif current == 0:
 return result("current", power / voltage)
 return Result("current", power / voltage)
 elif power == 0:
 return result("power", float(round(abs(voltage * current), 2)))
 return Result("power", float(round(abs(voltage * current), 2)))
 else:
 raise ValueError("Exactly one argument must be 0")

Expand Down

4 changes: 2 additions & 2 deletions
graphs/bi_directional_dijkstra.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -26,8 +26,8 @@ def pass_and_relaxation(
 cst_bwd: dict,
 queue: PriorityQueue,
 parent: dict,
 shortest_distance: float | int,
) -> float | int:
 shortest_distance: float,
) -> float:
 for nxt, d in graph[v]:
 if nxt in visited_forward:
 continue
Expand Down

6 changes: 3 additions & 3 deletions
maths/area_under_curve.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

2 changes: 1 addition & 1 deletion
maths/decimal_to_fraction.py

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Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
def decimal_to_fraction(decimal: int | float | str) -> tuple[int, int]:
def decimal_to_fraction(decimal: float | str) -> tuple[int, int]:
 """
 Return a decimal number in its simplest fraction form
 >>> decimal_to_fraction(2)
Expand Down

6 changes: 3 additions & 3 deletions
maths/line_length.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -5,9 +5,9 @@


def line_length(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

6 changes: 3 additions & 3 deletions
maths/numerical_integration.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

4 changes: 2 additions & 2 deletions
maths/polynomials/single_indeterminate_operations.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -87,7 +87,7 @@ def __mul__(self, polynomial_2: Polynomial) -> Polynomial:

 return Polynomial(self.degree + polynomial_2.degree, coefficients)

 def evaluate(self, substitution: int | float) -> int | float:
 def evaluate(self, substitution: float) -> float:
 """
 Evaluates the polynomial at x.
 >>> p = Polynomial(2, [1, 2, 3])
Expand DownExpand Up@@ -144,7 +144,7 @@ def derivative(self) -> Polynomial:
 coefficients[i] = self.coefficients[i + 1] * (i + 1)
 return Polynomial(self.degree - 1, coefficients)

 def integral(self, constant: int | float = 0) -> Polynomial:
 def integral(self, constant: float = 0) -> Polynomial:
 """
 Returns the integral of the polynomial.
 >>> p = Polynomial(2, [1, 2, 3])
Expand Down

10 changes: 5 additions & 5 deletions
maths/series/geometric_series.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -14,10 +14,10 @@


def geometric_series(
 nth_term: float | int,
 start_term_a: float | int,
 common_ratio_r: float | int,
) -> list[float | int]:
 nth_term: float,
 start_term_a: float,
 common_ratio_r: float,
) -> list[float]:
 """
 Pure Python implementation of Geometric Series algorithm

Expand DownExpand Up@@ -48,7 +48,7 @@ def geometric_series(
 """
 if not all((nth_term, start_term_a, common_ratio_r)):
 return []
 series: list[float | int] = []
 series: list[float] = []
 power = 1
 multiple = common_ratio_r
 for _ in range(int(nth_term)):
Expand Down

2 changes: 1 addition & 1 deletion
maths/series/p_series.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,7 +13,7 @@
from __future__ import annotations


def p_series(nth_term: int | float | str, power: int | float | str) -> list[str]:
def p_series(nth_term: float | str, power: float | str) -> list[str]:
 """
 Pure Python implementation of P-Series algorithm
 :return: The P-Series starting from 1 to last (nth) term
Expand Down

2 changes: 1 addition & 1 deletion
maths/volume.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,7 +8,7 @@
from math import pi, pow


def vol_cube(side_length: int | float) -> float:
def vol_cube(side_length: float) -> float:
 """
 Calculate the Volume of a Cube.
 >>> vol_cube(1)
Expand Down
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injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
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 Merged

cclauss
merged 3 commits into

from

Aug 9, 2023
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Fix ruff errors
#8936
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7d9a4d9

Fix ruff errors


tianyizheng02 Aug 9, 2023
9b8be5a

updating DIRECTORY.md

Aug 9, 2023
803e444

Change input_data.py_tf file extension


tianyizheng02 Aug 9, 2023

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1 change: 0 additions & 1 deletion
DIRECTORY.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -710,7 +710,6 @@
 * [Exponential Linear Unit](neural_network/activation_functions/exponential_linear_unit.py)
 * [Back Propagation Neural Network](neural_network/back_propagation_neural_network.py)
 * [Convolution Neural Network](neural_network/convolution_neural_network.py)
 * [Input Data](neural_network/input_data.py)
 * [Perceptron](neural_network/perceptron.py)
 * [Simple Neural Network](neural_network/simple_neural_network.py)

Expand Down

30 changes: 19 additions & 11 deletions
conversions/length_conversion.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,9 +22,13 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Millimeter
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

TYPE_CONVERSION = {
 "millimeter": "mm",
Expand All@@ -40,14 +44,14 @@
}

METRIC_CONVERSION = {
 "mm": from_to(0.001, 1000),
 "cm": from_to(0.01, 100),
 "m": from_to(1, 1),
 "km": from_to(1000, 0.001),
 "in": from_to(0.0254, 39.3701),
 "ft": from_to(0.3048, 3.28084),
 "yd": from_to(0.9144, 1.09361),
 "mi": from_to(1609.34, 0.000621371),
 "mm": FromTo(0.001, 1000),
 "cm": FromTo(0.01, 100),
 "m": FromTo(1, 1),
 "km": FromTo(1000, 0.001),
 "in": FromTo(0.0254, 39.3701),
 "ft": FromTo(0.3048, 3.28084),
 "yd": FromTo(0.9144, 1.09361),
 "mi": FromTo(1609.34, 0.000621371),
}


Expand DownExpand Up@@ -115,7 +119,11 @@ def length_conversion(value: float, from_type: str, to_type: str) -> float:
 f"Conversion abbreviations are: {', '.join(METRIC_CONVERSION)}"
 )
 raise ValueError(msg)
 return value * METRIC_CONVERSION[new_from].from_ * METRIC_CONVERSION[new_to].to
 return (
 value
 * METRIC_CONVERSION[new_from].from_factor
 * METRIC_CONVERSION[new_to].to_factor
 )


if __name__ == "__main__":
Expand Down

28 changes: 17 additions & 11 deletions
conversions/pressure_conversions.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -19,19 +19,23 @@
-> https://www.unitconverters.net/pressure-converter.html
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

PRESSURE_CONVERSION = {
 "atm": from_to(1, 1),
 "pascal": from_to(0.0000098, 101325),
 "bar": from_to(0.986923, 1.01325),
 "kilopascal": from_to(0.00986923, 101.325),
 "megapascal": from_to(9.86923, 0.101325),
 "psi": from_to(0.068046, 14.6959),
 "inHg": from_to(0.0334211, 29.9213),
 "torr": from_to(0.00131579, 760),
 "atm": FromTo(1, 1),
 "pascal": FromTo(0.0000098, 101325),
 "bar": FromTo(0.986923, 1.01325),
 "kilopascal": FromTo(0.00986923, 101.325),
 "megapascal": FromTo(9.86923, 0.101325),
 "psi": FromTo(0.068046, 14.6959),
 "inHg": FromTo(0.0334211, 29.9213),
 "torr": FromTo(0.00131579, 760),
}


Expand DownExpand Up@@ -71,7 +75,9 @@ def pressure_conversion(value: float, from_type: str, to_type: str) -> float:
 + ", ".join(PRESSURE_CONVERSION)
 )
 return (
 value * PRESSURE_CONVERSION[from_type].from_ * PRESSURE_CONVERSION[to_type].to
 value
 * PRESSURE_CONVERSION[from_type].from_factor
 * PRESSURE_CONVERSION[to_type].to_factor
 )


Expand Down

40 changes: 24 additions & 16 deletions
conversions/volume_conversions.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -18,43 +18,47 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Cup_(unit)
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

METRIC_CONVERSION = {
 "cubicmeter": from_to(1, 1),
 "litre": from_to(0.001, 1000),
 "kilolitre": from_to(1, 1),
 "gallon": from_to(0.00454, 264.172),
 "cubicyard": from_to(0.76455, 1.30795),
 "cubicfoot": from_to(0.028, 35.3147),
 "cup": from_to(0.000236588, 4226.75),
 "cubic meter": FromTo(1, 1),
 "litre": FromTo(0.001, 1000),
 "kilolitre": FromTo(1, 1),
 "gallon": FromTo(0.00454, 264.172),
 "cubic yard": FromTo(0.76455, 1.30795),
 "cubic foot": FromTo(0.028, 35.3147),
 "cup": FromTo(0.000236588, 4226.75),
}


def volume_conversion(value: float, from_type: str, to_type: str) -> float:
 """
 Conversion between volume units.
 >>> volume_conversion(4, "cubicmeter", "litre")
 >>> volume_conversion(4, "cubic meter", "litre")
 4000
 >>> volume_conversion(1, "litre", "gallon")
 0.264172
 >>> volume_conversion(1, "kilolitre", "cubicmeter")
 >>> volume_conversion(1, "kilolitre", "cubic meter")
 1
 >>> volume_conversion(3, "gallon", "cubicyard")
 >>> volume_conversion(3, "gallon", "cubic yard")
 0.017814279
 >>> volume_conversion(2, "cubicyard", "litre")
 >>> volume_conversion(2, "cubic yard", "litre")
 1529.1
 >>> volume_conversion(4, "cubicfoot", "cup")
 >>> volume_conversion(4, "cubic foot", "cup")
 473.396
 >>> volume_conversion(1, "cup", "kilolitre")
 0.000236588
 >>> volume_conversion(4, "wrongUnit", "litre")
 Traceback (most recent call last):
 ...
 ValueError: Invalid 'from_type' value: 'wrongUnit' Supported values are:
cubicmeter, litre, kilolitre, gallon, cubicyard, cubicfoot, cup
cubic meter, litre, kilolitre, gallon, cubic yard, cubic foot, cup
 """
 if from_type not in METRIC_CONVERSION:
 raise ValueError(
Expand All@@ -66,7 +70,11 @@ def volume_conversion(value: float, from_type: str, to_type: str) -> float:
 f"Invalid 'to_type' value: {to_type!r}. Supported values are:\n"
 + ", ".join(METRIC_CONVERSION)
 )
 return value * METRIC_CONVERSION[from_type].from_ * METRIC_CONVERSION[to_type].to
 return (
 value
 * METRIC_CONVERSION[from_type].from_factor
 * METRIC_CONVERSION[to_type].to_factor
 )


if __name__ == "__main__":
Expand Down

10 changes: 6 additions & 4 deletions
data_structures/binary_tree/distribute_coins.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -39,8 +39,8 @@

from __future__ import annotations

from collections import namedtuple
from dataclasses import dataclass
from typing import NamedTuple


@dataclass
Expand All@@ -50,7 +50,9 @@ class TreeNode:
 right: TreeNode | None = None


CoinsDistribResult = namedtuple("CoinsDistribResult", "moves excess")
class CoinsDistribResult(NamedTuple):
 moves: int
 excess: int


def distribute_coins(root: TreeNode | None) -> int:
Expand DownExpand Up@@ -79,7 +81,7 @@ def distribute_coins(root: TreeNode | None) -> int:
 # Validation
 def count_nodes(node: TreeNode | None) -> int:
 """
 >>> count_nodes(None):
 >>> count_nodes(None)
 0
 """
 if node is None:
Expand All@@ -89,7 +91,7 @@ def count_nodes(node: TreeNode | None) -> int:

 def count_coins(node: TreeNode | None) -> int:
 """
 >>> count_coins(None):
 >>> count_coins(None)
 0
 """
 if node is None:
Expand Down

22 changes: 13 additions & 9 deletions
electronics/electric_power.py

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Original file line numberDiff line numberDiff line change
@@ -1,7 +1,12 @@
# https://en.m.wikipedia.org/wiki/Electric_power
from __future__ import annotations

from collections import namedtuple
from typing import NamedTuple


class Result(NamedTuple):
 name: str
 value: float


def electric_power(voltage: float, current: float, power: float) -> tuple:
Expand All@@ -10,11 +15,11 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
 fundamental value of electrical system.
 examples are below:
 >>> electric_power(voltage=0, current=2, power=5)
result(name='voltage', value=2.5)
Result(name='voltage', value=2.5)
 >>> electric_power(voltage=2, current=2, power=0)
result(name='power', value=4.0)
Result(name='power', value=4.0)
 >>> electric_power(voltage=-2, current=3, power=0)
result(name='power', value=6.0)
Result(name='power', value=6.0)
 >>> electric_power(voltage=2, current=4, power=2)
 Traceback (most recent call last):
 ...
Expand All@@ -28,21 +33,20 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
 ...
 ValueError: Power cannot be negative in any electrical/electronics system
 >>> electric_power(voltage=2.2, current=2.2, power=0)
result(name='power', value=4.84)
Result(name='power', value=4.84)
 """
 result = namedtuple("result", "name value")
 if (voltage, current, power).count(0) != 1:
 raise ValueError("Only one argument must be 0")
 elif power < 0:
 raise ValueError(
 "Power cannot be negative in any electrical/electronics system"
 )
 elif voltage == 0:
 return result("voltage", power / current)
 return Result("voltage", power / current)
 elif current == 0:
 return result("current", power / voltage)
 return Result("current", power / voltage)
 elif power == 0:
 return result("power", float(round(abs(voltage * current), 2)))
 return Result("power", float(round(abs(voltage * current), 2)))
 else:
 raise ValueError("Exactly one argument must be 0")

Expand Down

4 changes: 2 additions & 2 deletions
graphs/bi_directional_dijkstra.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -26,8 +26,8 @@ def pass_and_relaxation(
 cst_bwd: dict,
 queue: PriorityQueue,
 parent: dict,
 shortest_distance: float | int,
) -> float | int:
 shortest_distance: float,
) -> float:
 for nxt, d in graph[v]:
 if nxt in visited_forward:
 continue
Expand Down

6 changes: 3 additions & 3 deletions
maths/area_under_curve.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

2 changes: 1 addition & 1 deletion
maths/decimal_to_fraction.py

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Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
def decimal_to_fraction(decimal: int | float | str) -> tuple[int, int]:
def decimal_to_fraction(decimal: float | str) -> tuple[int, int]:
 """
 Return a decimal number in its simplest fraction form
 >>> decimal_to_fraction(2)
Expand Down

6 changes: 3 additions & 3 deletions
maths/line_length.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -5,9 +5,9 @@


def line_length(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

6 changes: 3 additions & 3 deletions
maths/numerical_integration.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

4 changes: 2 additions & 2 deletions
maths/polynomials/single_indeterminate_operations.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -87,7 +87,7 @@ def __mul__(self, polynomial_2: Polynomial) -> Polynomial:

 return Polynomial(self.degree + polynomial_2.degree, coefficients)

 def evaluate(self, substitution: int | float) -> int | float:
 def evaluate(self, substitution: float) -> float:
 """
 Evaluates the polynomial at x.
 >>> p = Polynomial(2, [1, 2, 3])
Expand DownExpand Up@@ -144,7 +144,7 @@ def derivative(self) -> Polynomial:
 coefficients[i] = self.coefficients[i + 1] * (i + 1)
 return Polynomial(self.degree - 1, coefficients)

 def integral(self, constant: int | float = 0) -> Polynomial:
 def integral(self, constant: float = 0) -> Polynomial:
 """
 Returns the integral of the polynomial.
 >>> p = Polynomial(2, [1, 2, 3])
Expand Down

10 changes: 5 additions & 5 deletions
maths/series/geometric_series.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -14,10 +14,10 @@


def geometric_series(
 nth_term: float | int,
 start_term_a: float | int,
 common_ratio_r: float | int,
) -> list[float | int]:
 nth_term: float,
 start_term_a: float,
 common_ratio_r: float,
) -> list[float]:
 """
 Pure Python implementation of Geometric Series algorithm

Expand DownExpand Up@@ -48,7 +48,7 @@ def geometric_series(
 """
 if not all((nth_term, start_term_a, common_ratio_r)):
 return []
 series: list[float | int] = []
 series: list[float] = []
 power = 1
 multiple = common_ratio_r
 for _ in range(int(nth_term)):
Expand Down

2 changes: 1 addition & 1 deletion
maths/series/p_series.py

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -13,7 +13,7 @@
from __future__ import annotations


def p_series(nth_term: int | float | str, power: int | float | str) -> list[str]:
def p_series(nth_term: float | str, power: float | str) -> list[str]:
 """
 Pure Python implementation of P-Series algorithm
 :return: The P-Series starting from 1 to last (nth) term
Expand Down

2 changes: 1 addition & 1 deletion
maths/volume.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,7 +8,7 @@
from math import pi, pow


def vol_cube(side_length: int | float) -> float:
def vol_cube(side_length: float) -> float:
 """
 Calculate the Volume of a Cube.
 >>> vol_cube(1)
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Fix ruff errors#8936

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cclauss
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Aug 9, 2023
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Fix ruff errors
#8936
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7d9a4d9

Fix ruff errors


tianyizheng02 Aug 9, 2023
9b8be5a

updating DIRECTORY.md

Aug 9, 2023
803e444

Change input_data.py_tf file extension


tianyizheng02 Aug 9, 2023

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1 change: 0 additions & 1 deletion
DIRECTORY.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -710,7 +710,6 @@
 * [Exponential Linear Unit](neural_network/activation_functions/exponential_linear_unit.py)
 * [Back Propagation Neural Network](neural_network/back_propagation_neural_network.py)
 * [Convolution Neural Network](neural_network/convolution_neural_network.py)
 * [Input Data](neural_network/input_data.py)
 * [Perceptron](neural_network/perceptron.py)
 * [Simple Neural Network](neural_network/simple_neural_network.py)

Expand Down

30 changes: 19 additions & 11 deletions
conversions/length_conversion.py

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -22,9 +22,13 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Millimeter
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

TYPE_CONVERSION = {
 "millimeter": "mm",
Expand All@@ -40,14 +44,14 @@
}

METRIC_CONVERSION = {
 "mm": from_to(0.001, 1000),
 "cm": from_to(0.01, 100),
 "m": from_to(1, 1),
 "km": from_to(1000, 0.001),
 "in": from_to(0.0254, 39.3701),
 "ft": from_to(0.3048, 3.28084),
 "yd": from_to(0.9144, 1.09361),
 "mi": from_to(1609.34, 0.000621371),
 "mm": FromTo(0.001, 1000),
 "cm": FromTo(0.01, 100),
 "m": FromTo(1, 1),
 "km": FromTo(1000, 0.001),
 "in": FromTo(0.0254, 39.3701),
 "ft": FromTo(0.3048, 3.28084),
 "yd": FromTo(0.9144, 1.09361),
 "mi": FromTo(1609.34, 0.000621371),
}


Expand DownExpand Up@@ -115,7 +119,11 @@ def length_conversion(value: float, from_type: str, to_type: str) -> float:
 f"Conversion abbreviations are: {', '.join(METRIC_CONVERSION)}"
 )
 raise ValueError(msg)
 return value * METRIC_CONVERSION[new_from].from_ * METRIC_CONVERSION[new_to].to
 return (
 value
 * METRIC_CONVERSION[new_from].from_factor
 * METRIC_CONVERSION[new_to].to_factor
 )


if __name__ == "__main__":
Expand Down

28 changes: 17 additions & 11 deletions
conversions/pressure_conversions.py

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -19,19 +19,23 @@
-> https://www.unitconverters.net/pressure-converter.html
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

PRESSURE_CONVERSION = {
 "atm": from_to(1, 1),
 "pascal": from_to(0.0000098, 101325),
 "bar": from_to(0.986923, 1.01325),
 "kilopascal": from_to(0.00986923, 101.325),
 "megapascal": from_to(9.86923, 0.101325),
 "psi": from_to(0.068046, 14.6959),
 "inHg": from_to(0.0334211, 29.9213),
 "torr": from_to(0.00131579, 760),
 "atm": FromTo(1, 1),
 "pascal": FromTo(0.0000098, 101325),
 "bar": FromTo(0.986923, 1.01325),
 "kilopascal": FromTo(0.00986923, 101.325),
 "megapascal": FromTo(9.86923, 0.101325),
 "psi": FromTo(0.068046, 14.6959),
 "inHg": FromTo(0.0334211, 29.9213),
 "torr": FromTo(0.00131579, 760),
}


Expand DownExpand Up@@ -71,7 +75,9 @@ def pressure_conversion(value: float, from_type: str, to_type: str) -> float:
 + ", ".join(PRESSURE_CONVERSION)
 )
 return (
 value * PRESSURE_CONVERSION[from_type].from_ * PRESSURE_CONVERSION[to_type].to
 value
 * PRESSURE_CONVERSION[from_type].from_factor
 * PRESSURE_CONVERSION[to_type].to_factor
 )


Expand Down

40 changes: 24 additions & 16 deletions
conversions/volume_conversions.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,43 +18,47 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Cup_(unit)
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

METRIC_CONVERSION = {
 "cubicmeter": from_to(1, 1),
 "litre": from_to(0.001, 1000),
 "kilolitre": from_to(1, 1),
 "gallon": from_to(0.00454, 264.172),
 "cubicyard": from_to(0.76455, 1.30795),
 "cubicfoot": from_to(0.028, 35.3147),
 "cup": from_to(0.000236588, 4226.75),
 "cubic meter": FromTo(1, 1),
 "litre": FromTo(0.001, 1000),
 "kilolitre": FromTo(1, 1),
 "gallon": FromTo(0.00454, 264.172),
 "cubic yard": FromTo(0.76455, 1.30795),
 "cubic foot": FromTo(0.028, 35.3147),
 "cup": FromTo(0.000236588, 4226.75),
}


def volume_conversion(value: float, from_type: str, to_type: str) -> float:
 """
 Conversion between volume units.
 >>> volume_conversion(4, "cubicmeter", "litre")
 >>> volume_conversion(4, "cubic meter", "litre")
 4000
 >>> volume_conversion(1, "litre", "gallon")
 0.264172
 >>> volume_conversion(1, "kilolitre", "cubicmeter")
 >>> volume_conversion(1, "kilolitre", "cubic meter")
 1
 >>> volume_conversion(3, "gallon", "cubicyard")
 >>> volume_conversion(3, "gallon", "cubic yard")
 0.017814279
 >>> volume_conversion(2, "cubicyard", "litre")
 >>> volume_conversion(2, "cubic yard", "litre")
 1529.1
 >>> volume_conversion(4, "cubicfoot", "cup")
 >>> volume_conversion(4, "cubic foot", "cup")
 473.396
 >>> volume_conversion(1, "cup", "kilolitre")
 0.000236588
 >>> volume_conversion(4, "wrongUnit", "litre")
 Traceback (most recent call last):
 ...
 ValueError: Invalid 'from_type' value: 'wrongUnit' Supported values are:
cubicmeter, litre, kilolitre, gallon, cubicyard, cubicfoot, cup
cubic meter, litre, kilolitre, gallon, cubic yard, cubic foot, cup
 """
 if from_type not in METRIC_CONVERSION:
 raise ValueError(
Expand All@@ -66,7 +70,11 @@ def volume_conversion(value: float, from_type: str, to_type: str) -> float:
 f"Invalid 'to_type' value: {to_type!r}. Supported values are:\n"
 + ", ".join(METRIC_CONVERSION)
 )
 return value * METRIC_CONVERSION[from_type].from_ * METRIC_CONVERSION[to_type].to
 return (
 value
 * METRIC_CONVERSION[from_type].from_factor
 * METRIC_CONVERSION[to_type].to_factor
 )


if __name__ == "__main__":
Expand Down

10 changes: 6 additions & 4 deletions
data_structures/binary_tree/distribute_coins.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -39,8 +39,8 @@

from __future__ import annotations

from collections import namedtuple
from dataclasses import dataclass
from typing import NamedTuple


@dataclass
Expand All@@ -50,7 +50,9 @@ class TreeNode:
 right: TreeNode | None = None


CoinsDistribResult = namedtuple("CoinsDistribResult", "moves excess")
class CoinsDistribResult(NamedTuple):
 moves: int
 excess: int


def distribute_coins(root: TreeNode | None) -> int:
Expand DownExpand Up@@ -79,7 +81,7 @@ def distribute_coins(root: TreeNode | None) -> int:
 # Validation
 def count_nodes(node: TreeNode | None) -> int:
 """
 >>> count_nodes(None):
 >>> count_nodes(None)
 0
 """
 if node is None:
Expand All@@ -89,7 +91,7 @@ def count_nodes(node: TreeNode | None) -> int:

 def count_coins(node: TreeNode | None) -> int:
 """
 >>> count_coins(None):
 >>> count_coins(None)
 0
 """
 if node is None:
Expand Down

22 changes: 13 additions & 9 deletions
electronics/electric_power.py

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,7 +1,12 @@
# https://en.m.wikipedia.org/wiki/Electric_power
from __future__ import annotations

from collections import namedtuple
from typing import NamedTuple


class Result(NamedTuple):
 name: str
 value: float


def electric_power(voltage: float, current: float, power: float) -> tuple:
Expand All@@ -10,11 +15,11 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
 fundamental value of electrical system.
 examples are below:
 >>> electric_power(voltage=0, current=2, power=5)
result(name='voltage', value=2.5)
Result(name='voltage', value=2.5)
 >>> electric_power(voltage=2, current=2, power=0)
result(name='power', value=4.0)
Result(name='power', value=4.0)
 >>> electric_power(voltage=-2, current=3, power=0)
result(name='power', value=6.0)
Result(name='power', value=6.0)
 >>> electric_power(voltage=2, current=4, power=2)
 Traceback (most recent call last):
 ...
Expand All@@ -28,21 +33,20 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
 ...
 ValueError: Power cannot be negative in any electrical/electronics system
 >>> electric_power(voltage=2.2, current=2.2, power=0)
result(name='power', value=4.84)
Result(name='power', value=4.84)
 """
 result = namedtuple("result", "name value")
 if (voltage, current, power).count(0) != 1:
 raise ValueError("Only one argument must be 0")
 elif power < 0:
 raise ValueError(
 "Power cannot be negative in any electrical/electronics system"
 )
 elif voltage == 0:
 return result("voltage", power / current)
 return Result("voltage", power / current)
 elif current == 0:
 return result("current", power / voltage)
 return Result("current", power / voltage)
 elif power == 0:
 return result("power", float(round(abs(voltage * current), 2)))
 return Result("power", float(round(abs(voltage * current), 2)))
 else:
 raise ValueError("Exactly one argument must be 0")

Expand Down

4 changes: 2 additions & 2 deletions
graphs/bi_directional_dijkstra.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -26,8 +26,8 @@ def pass_and_relaxation(
 cst_bwd: dict,
 queue: PriorityQueue,
 parent: dict,
 shortest_distance: float | int,
) -> float | int:
 shortest_distance: float,
) -> float:
 for nxt, d in graph[v]:
 if nxt in visited_forward:
 continue
Expand Down

6 changes: 3 additions & 3 deletions
maths/area_under_curve.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

2 changes: 1 addition & 1 deletion
maths/decimal_to_fraction.py

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
def decimal_to_fraction(decimal: int | float | str) -> tuple[int, int]:
def decimal_to_fraction(decimal: float | str) -> tuple[int, int]:
 """
 Return a decimal number in its simplest fraction form
 >>> decimal_to_fraction(2)
Expand Down

6 changes: 3 additions & 3 deletions
maths/line_length.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -5,9 +5,9 @@


def line_length(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

6 changes: 3 additions & 3 deletions
maths/numerical_integration.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

4 changes: 2 additions & 2 deletions
maths/polynomials/single_indeterminate_operations.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -87,7 +87,7 @@ def __mul__(self, polynomial_2: Polynomial) -> Polynomial:

 return Polynomial(self.degree + polynomial_2.degree, coefficients)

 def evaluate(self, substitution: int | float) -> int | float:
 def evaluate(self, substitution: float) -> float:
 """
 Evaluates the polynomial at x.
 >>> p = Polynomial(2, [1, 2, 3])
Expand DownExpand Up@@ -144,7 +144,7 @@ def derivative(self) -> Polynomial:
 coefficients[i] = self.coefficients[i + 1] * (i + 1)
 return Polynomial(self.degree - 1, coefficients)

 def integral(self, constant: int | float = 0) -> Polynomial:
 def integral(self, constant: float = 0) -> Polynomial:
 """
 Returns the integral of the polynomial.
 >>> p = Polynomial(2, [1, 2, 3])
Expand Down

10 changes: 5 additions & 5 deletions
maths/series/geometric_series.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -14,10 +14,10 @@


def geometric_series(
 nth_term: float | int,
 start_term_a: float | int,
 common_ratio_r: float | int,
) -> list[float | int]:
 nth_term: float,
 start_term_a: float,
 common_ratio_r: float,
) -> list[float]:
 """
 Pure Python implementation of Geometric Series algorithm

Expand DownExpand Up@@ -48,7 +48,7 @@ def geometric_series(
 """
 if not all((nth_term, start_term_a, common_ratio_r)):
 return []
 series: list[float | int] = []
 series: list[float] = []
 power = 1
 multiple = common_ratio_r
 for _ in range(int(nth_term)):
Expand Down

2 changes: 1 addition & 1 deletion
maths/series/p_series.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -13,7 +13,7 @@
from __future__ import annotations


def p_series(nth_term: int | float | str, power: int | float | str) -> list[str]:
def p_series(nth_term: float | str, power: float | str) -> list[str]:
 """
 Pure Python implementation of P-Series algorithm
 :return: The P-Series starting from 1 to last (nth) term
Expand Down

2 changes: 1 addition & 1 deletion
maths/volume.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,7 +8,7 @@
from math import pi, pow


def vol_cube(side_length: int | float) -> float:
def vol_cube(side_length: float) -> float:
 """
 Calculate the Volume of a Cube.
 >>> vol_cube(1)
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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Fix ruff errors#8936

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 Merged

cclauss
merged 3 commits into

from

Aug 9, 2023
 Merged


Fix ruff errors
#8936
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7d9a4d9

Fix ruff errors


tianyizheng02 Aug 9, 2023
9b8be5a

updating DIRECTORY.md

Aug 9, 2023
803e444

Change input_data.py_tf file extension


tianyizheng02 Aug 9, 2023

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1 change: 0 additions & 1 deletion
DIRECTORY.md

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -710,7 +710,6 @@
 * [Exponential Linear Unit](neural_network/activation_functions/exponential_linear_unit.py)
 * [Back Propagation Neural Network](neural_network/back_propagation_neural_network.py)
 * [Convolution Neural Network](neural_network/convolution_neural_network.py)
 * [Input Data](neural_network/input_data.py)
 * [Perceptron](neural_network/perceptron.py)
 * [Simple Neural Network](neural_network/simple_neural_network.py)

Expand Down

30 changes: 19 additions & 11 deletions
conversions/length_conversion.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -22,9 +22,13 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Millimeter
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

TYPE_CONVERSION = {
 "millimeter": "mm",
Expand All@@ -40,14 +44,14 @@
}

METRIC_CONVERSION = {
 "mm": from_to(0.001, 1000),
 "cm": from_to(0.01, 100),
 "m": from_to(1, 1),
 "km": from_to(1000, 0.001),
 "in": from_to(0.0254, 39.3701),
 "ft": from_to(0.3048, 3.28084),
 "yd": from_to(0.9144, 1.09361),
 "mi": from_to(1609.34, 0.000621371),
 "mm": FromTo(0.001, 1000),
 "cm": FromTo(0.01, 100),
 "m": FromTo(1, 1),
 "km": FromTo(1000, 0.001),
 "in": FromTo(0.0254, 39.3701),
 "ft": FromTo(0.3048, 3.28084),
 "yd": FromTo(0.9144, 1.09361),
 "mi": FromTo(1609.34, 0.000621371),
}


Expand DownExpand Up@@ -115,7 +119,11 @@ def length_conversion(value: float, from_type: str, to_type: str) -> float:
 f"Conversion abbreviations are: {', '.join(METRIC_CONVERSION)}"
 )
 raise ValueError(msg)
 return value * METRIC_CONVERSION[new_from].from_ * METRIC_CONVERSION[new_to].to
 return (
 value
 * METRIC_CONVERSION[new_from].from_factor
 * METRIC_CONVERSION[new_to].to_factor
 )


if __name__ == "__main__":
Expand Down

28 changes: 17 additions & 11 deletions
conversions/pressure_conversions.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -19,19 +19,23 @@
-> https://www.unitconverters.net/pressure-converter.html
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

PRESSURE_CONVERSION = {
 "atm": from_to(1, 1),
 "pascal": from_to(0.0000098, 101325),
 "bar": from_to(0.986923, 1.01325),
 "kilopascal": from_to(0.00986923, 101.325),
 "megapascal": from_to(9.86923, 0.101325),
 "psi": from_to(0.068046, 14.6959),
 "inHg": from_to(0.0334211, 29.9213),
 "torr": from_to(0.00131579, 760),
 "atm": FromTo(1, 1),
 "pascal": FromTo(0.0000098, 101325),
 "bar": FromTo(0.986923, 1.01325),
 "kilopascal": FromTo(0.00986923, 101.325),
 "megapascal": FromTo(9.86923, 0.101325),
 "psi": FromTo(0.068046, 14.6959),
 "inHg": FromTo(0.0334211, 29.9213),
 "torr": FromTo(0.00131579, 760),
}


Expand DownExpand Up@@ -71,7 +75,9 @@ def pressure_conversion(value: float, from_type: str, to_type: str) -> float:
 + ", ".join(PRESSURE_CONVERSION)
 )
 return (
 value * PRESSURE_CONVERSION[from_type].from_ * PRESSURE_CONVERSION[to_type].to
 value
 * PRESSURE_CONVERSION[from_type].from_factor
 * PRESSURE_CONVERSION[to_type].to_factor
 )


Expand Down

40 changes: 24 additions & 16 deletions
conversions/volume_conversions.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -18,43 +18,47 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Cup_(unit)
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

METRIC_CONVERSION = {
 "cubicmeter": from_to(1, 1),
 "litre": from_to(0.001, 1000),
 "kilolitre": from_to(1, 1),
 "gallon": from_to(0.00454, 264.172),
 "cubicyard": from_to(0.76455, 1.30795),
 "cubicfoot": from_to(0.028, 35.3147),
 "cup": from_to(0.000236588, 4226.75),
 "cubic meter": FromTo(1, 1),
 "litre": FromTo(0.001, 1000),
 "kilolitre": FromTo(1, 1),
 "gallon": FromTo(0.00454, 264.172),
 "cubic yard": FromTo(0.76455, 1.30795),
 "cubic foot": FromTo(0.028, 35.3147),
 "cup": FromTo(0.000236588, 4226.75),
}


def volume_conversion(value: float, from_type: str, to_type: str) -> float:
 """
 Conversion between volume units.
 >>> volume_conversion(4, "cubicmeter", "litre")
 >>> volume_conversion(4, "cubic meter", "litre")
 4000
 >>> volume_conversion(1, "litre", "gallon")
 0.264172
 >>> volume_conversion(1, "kilolitre", "cubicmeter")
 >>> volume_conversion(1, "kilolitre", "cubic meter")
 1
 >>> volume_conversion(3, "gallon", "cubicyard")
 >>> volume_conversion(3, "gallon", "cubic yard")
 0.017814279
 >>> volume_conversion(2, "cubicyard", "litre")
 >>> volume_conversion(2, "cubic yard", "litre")
 1529.1
 >>> volume_conversion(4, "cubicfoot", "cup")
 >>> volume_conversion(4, "cubic foot", "cup")
 473.396
 >>> volume_conversion(1, "cup", "kilolitre")
 0.000236588
 >>> volume_conversion(4, "wrongUnit", "litre")
 Traceback (most recent call last):
 ...
 ValueError: Invalid 'from_type' value: 'wrongUnit' Supported values are:
cubicmeter, litre, kilolitre, gallon, cubicyard, cubicfoot, cup
cubic meter, litre, kilolitre, gallon, cubic yard, cubic foot, cup
 """
 if from_type not in METRIC_CONVERSION:
 raise ValueError(
Expand All@@ -66,7 +70,11 @@ def volume_conversion(value: float, from_type: str, to_type: str) -> float:
 f"Invalid 'to_type' value: {to_type!r}. Supported values are:\n"
 + ", ".join(METRIC_CONVERSION)
 )
 return value * METRIC_CONVERSION[from_type].from_ * METRIC_CONVERSION[to_type].to
 return (
 value
 * METRIC_CONVERSION[from_type].from_factor
 * METRIC_CONVERSION[to_type].to_factor
 )


if __name__ == "__main__":
Expand Down

10 changes: 6 additions & 4 deletions
data_structures/binary_tree/distribute_coins.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -39,8 +39,8 @@

from __future__ import annotations

from collections import namedtuple
from dataclasses import dataclass
from typing import NamedTuple


@dataclass
Expand All@@ -50,7 +50,9 @@ class TreeNode:
 right: TreeNode | None = None


CoinsDistribResult = namedtuple("CoinsDistribResult", "moves excess")
class CoinsDistribResult(NamedTuple):
 moves: int
 excess: int


def distribute_coins(root: TreeNode | None) -> int:
Expand DownExpand Up@@ -79,7 +81,7 @@ def distribute_coins(root: TreeNode | None) -> int:
 # Validation
 def count_nodes(node: TreeNode | None) -> int:
 """
 >>> count_nodes(None):
 >>> count_nodes(None)
 0
 """
 if node is None:
Expand All@@ -89,7 +91,7 @@ def count_nodes(node: TreeNode | None) -> int:

 def count_coins(node: TreeNode | None) -> int:
 """
 >>> count_coins(None):
 >>> count_coins(None)
 0
 """
 if node is None:
Expand Down

22 changes: 13 additions & 9 deletions
electronics/electric_power.py

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Original file line numberDiff line numberDiff line change
@@ -1,7 +1,12 @@
# https://en.m.wikipedia.org/wiki/Electric_power
from __future__ import annotations

from collections import namedtuple
from typing import NamedTuple


class Result(NamedTuple):
 name: str
 value: float


def electric_power(voltage: float, current: float, power: float) -> tuple:
Expand All@@ -10,11 +15,11 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
 fundamental value of electrical system.
 examples are below:
 >>> electric_power(voltage=0, current=2, power=5)
result(name='voltage', value=2.5)
Result(name='voltage', value=2.5)
 >>> electric_power(voltage=2, current=2, power=0)
result(name='power', value=4.0)
Result(name='power', value=4.0)
 >>> electric_power(voltage=-2, current=3, power=0)
result(name='power', value=6.0)
Result(name='power', value=6.0)
 >>> electric_power(voltage=2, current=4, power=2)
 Traceback (most recent call last):
 ...
Expand All@@ -28,21 +33,20 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
 ...
 ValueError: Power cannot be negative in any electrical/electronics system
 >>> electric_power(voltage=2.2, current=2.2, power=0)
result(name='power', value=4.84)
Result(name='power', value=4.84)
 """
 result = namedtuple("result", "name value")
 if (voltage, current, power).count(0) != 1:
 raise ValueError("Only one argument must be 0")
 elif power < 0:
 raise ValueError(
 "Power cannot be negative in any electrical/electronics system"
 )
 elif voltage == 0:
 return result("voltage", power / current)
 return Result("voltage", power / current)
 elif current == 0:
 return result("current", power / voltage)
 return Result("current", power / voltage)
 elif power == 0:
 return result("power", float(round(abs(voltage * current), 2)))
 return Result("power", float(round(abs(voltage * current), 2)))
 else:
 raise ValueError("Exactly one argument must be 0")

Expand Down

4 changes: 2 additions & 2 deletions
graphs/bi_directional_dijkstra.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -26,8 +26,8 @@ def pass_and_relaxation(
 cst_bwd: dict,
 queue: PriorityQueue,
 parent: dict,
 shortest_distance: float | int,
) -> float | int:
 shortest_distance: float,
) -> float:
 for nxt, d in graph[v]:
 if nxt in visited_forward:
 continue
Expand Down

6 changes: 3 additions & 3 deletions
maths/area_under_curve.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

2 changes: 1 addition & 1 deletion
maths/decimal_to_fraction.py

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Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
def decimal_to_fraction(decimal: int | float | str) -> tuple[int, int]:
def decimal_to_fraction(decimal: float | str) -> tuple[int, int]:
 """
 Return a decimal number in its simplest fraction form
 >>> decimal_to_fraction(2)
Expand Down

6 changes: 3 additions & 3 deletions
maths/line_length.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -5,9 +5,9 @@


def line_length(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

6 changes: 3 additions & 3 deletions
maths/numerical_integration.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

4 changes: 2 additions & 2 deletions
maths/polynomials/single_indeterminate_operations.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -87,7 +87,7 @@ def __mul__(self, polynomial_2: Polynomial) -> Polynomial:

 return Polynomial(self.degree + polynomial_2.degree, coefficients)

 def evaluate(self, substitution: int | float) -> int | float:
 def evaluate(self, substitution: float) -> float:
 """
 Evaluates the polynomial at x.
 >>> p = Polynomial(2, [1, 2, 3])
Expand DownExpand Up@@ -144,7 +144,7 @@ def derivative(self) -> Polynomial:
 coefficients[i] = self.coefficients[i + 1] * (i + 1)
 return Polynomial(self.degree - 1, coefficients)

 def integral(self, constant: int | float = 0) -> Polynomial:
 def integral(self, constant: float = 0) -> Polynomial:
 """
 Returns the integral of the polynomial.
 >>> p = Polynomial(2, [1, 2, 3])
Expand Down

10 changes: 5 additions & 5 deletions
maths/series/geometric_series.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -14,10 +14,10 @@


def geometric_series(
 nth_term: float | int,
 start_term_a: float | int,
 common_ratio_r: float | int,
) -> list[float | int]:
 nth_term: float,
 start_term_a: float,
 common_ratio_r: float,
) -> list[float]:
 """
 Pure Python implementation of Geometric Series algorithm

Expand DownExpand Up@@ -48,7 +48,7 @@ def geometric_series(
 """
 if not all((nth_term, start_term_a, common_ratio_r)):
 return []
 series: list[float | int] = []
 series: list[float] = []
 power = 1
 multiple = common_ratio_r
 for _ in range(int(nth_term)):
Expand Down

2 changes: 1 addition & 1 deletion
maths/series/p_series.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,7 +13,7 @@
from __future__ import annotations


def p_series(nth_term: int | float | str, power: int | float | str) -> list[str]:
def p_series(nth_term: float | str, power: float | str) -> list[str]:
 """
 Pure Python implementation of P-Series algorithm
 :return: The P-Series starting from 1 to last (nth) term
Expand Down

2 changes: 1 addition & 1 deletion
maths/volume.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,7 +8,7 @@
from math import pi, pow


def vol_cube(side_length: int | float) -> float:
def vol_cube(side_length: float) -> float:
 """
 Calculate the Volume of a Cube.
 >>> vol_cube(1)
Expand Down
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Fix ruff errors#8936

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 Merged

cclauss
merged 3 commits into

from

Aug 9, 2023
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Fix ruff errors
#8936
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7d9a4d9

Fix ruff errors


tianyizheng02 Aug 9, 2023
9b8be5a

updating DIRECTORY.md

Aug 9, 2023
803e444

Change input_data.py_tf file extension


tianyizheng02 Aug 9, 2023

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1 change: 0 additions & 1 deletion
DIRECTORY.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -710,7 +710,6 @@
 * [Exponential Linear Unit](neural_network/activation_functions/exponential_linear_unit.py)
 * [Back Propagation Neural Network](neural_network/back_propagation_neural_network.py)
 * [Convolution Neural Network](neural_network/convolution_neural_network.py)
 * [Input Data](neural_network/input_data.py)
 * [Perceptron](neural_network/perceptron.py)
 * [Simple Neural Network](neural_network/simple_neural_network.py)

Expand Down

30 changes: 19 additions & 11 deletions
conversions/length_conversion.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,9 +22,13 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Millimeter
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

TYPE_CONVERSION = {
 "millimeter": "mm",
Expand All@@ -40,14 +44,14 @@
}

METRIC_CONVERSION = {
 "mm": from_to(0.001, 1000),
 "cm": from_to(0.01, 100),
 "m": from_to(1, 1),
 "km": from_to(1000, 0.001),
 "in": from_to(0.0254, 39.3701),
 "ft": from_to(0.3048, 3.28084),
 "yd": from_to(0.9144, 1.09361),
 "mi": from_to(1609.34, 0.000621371),
 "mm": FromTo(0.001, 1000),
 "cm": FromTo(0.01, 100),
 "m": FromTo(1, 1),
 "km": FromTo(1000, 0.001),
 "in": FromTo(0.0254, 39.3701),
 "ft": FromTo(0.3048, 3.28084),
 "yd": FromTo(0.9144, 1.09361),
 "mi": FromTo(1609.34, 0.000621371),
}


Expand DownExpand Up@@ -115,7 +119,11 @@ def length_conversion(value: float, from_type: str, to_type: str) -> float:
 f"Conversion abbreviations are: {', '.join(METRIC_CONVERSION)}"
 )
 raise ValueError(msg)
 return value * METRIC_CONVERSION[new_from].from_ * METRIC_CONVERSION[new_to].to
 return (
 value
 * METRIC_CONVERSION[new_from].from_factor
 * METRIC_CONVERSION[new_to].to_factor
 )


if __name__ == "__main__":
Expand Down

28 changes: 17 additions & 11 deletions
conversions/pressure_conversions.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -19,19 +19,23 @@
-> https://www.unitconverters.net/pressure-converter.html
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

PRESSURE_CONVERSION = {
 "atm": from_to(1, 1),
 "pascal": from_to(0.0000098, 101325),
 "bar": from_to(0.986923, 1.01325),
 "kilopascal": from_to(0.00986923, 101.325),
 "megapascal": from_to(9.86923, 0.101325),
 "psi": from_to(0.068046, 14.6959),
 "inHg": from_to(0.0334211, 29.9213),
 "torr": from_to(0.00131579, 760),
 "atm": FromTo(1, 1),
 "pascal": FromTo(0.0000098, 101325),
 "bar": FromTo(0.986923, 1.01325),
 "kilopascal": FromTo(0.00986923, 101.325),
 "megapascal": FromTo(9.86923, 0.101325),
 "psi": FromTo(0.068046, 14.6959),
 "inHg": FromTo(0.0334211, 29.9213),
 "torr": FromTo(0.00131579, 760),
}


Expand DownExpand Up@@ -71,7 +75,9 @@ def pressure_conversion(value: float, from_type: str, to_type: str) -> float:
 + ", ".join(PRESSURE_CONVERSION)
 )
 return (
 value * PRESSURE_CONVERSION[from_type].from_ * PRESSURE_CONVERSION[to_type].to
 value
 * PRESSURE_CONVERSION[from_type].from_factor
 * PRESSURE_CONVERSION[to_type].to_factor
 )


Expand Down

40 changes: 24 additions & 16 deletions
conversions/volume_conversions.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -18,43 +18,47 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Cup_(unit)
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

METRIC_CONVERSION = {
 "cubicmeter": from_to(1, 1),
 "litre": from_to(0.001, 1000),
 "kilolitre": from_to(1, 1),
 "gallon": from_to(0.00454, 264.172),
 "cubicyard": from_to(0.76455, 1.30795),
 "cubicfoot": from_to(0.028, 35.3147),
 "cup": from_to(0.000236588, 4226.75),
 "cubic meter": FromTo(1, 1),
 "litre": FromTo(0.001, 1000),
 "kilolitre": FromTo(1, 1),
 "gallon": FromTo(0.00454, 264.172),
 "cubic yard": FromTo(0.76455, 1.30795),
 "cubic foot": FromTo(0.028, 35.3147),
 "cup": FromTo(0.000236588, 4226.75),
}


def volume_conversion(value: float, from_type: str, to_type: str) -> float:
 """
 Conversion between volume units.
 >>> volume_conversion(4, "cubicmeter", "litre")
 >>> volume_conversion(4, "cubic meter", "litre")
 4000
 >>> volume_conversion(1, "litre", "gallon")
 0.264172
 >>> volume_conversion(1, "kilolitre", "cubicmeter")
 >>> volume_conversion(1, "kilolitre", "cubic meter")
 1
 >>> volume_conversion(3, "gallon", "cubicyard")
 >>> volume_conversion(3, "gallon", "cubic yard")
 0.017814279
 >>> volume_conversion(2, "cubicyard", "litre")
 >>> volume_conversion(2, "cubic yard", "litre")
 1529.1
 >>> volume_conversion(4, "cubicfoot", "cup")
 >>> volume_conversion(4, "cubic foot", "cup")
 473.396
 >>> volume_conversion(1, "cup", "kilolitre")
 0.000236588
 >>> volume_conversion(4, "wrongUnit", "litre")
 Traceback (most recent call last):
 ...
 ValueError: Invalid 'from_type' value: 'wrongUnit' Supported values are:
cubicmeter, litre, kilolitre, gallon, cubicyard, cubicfoot, cup
cubic meter, litre, kilolitre, gallon, cubic yard, cubic foot, cup
 """
 if from_type not in METRIC_CONVERSION:
 raise ValueError(
Expand All@@ -66,7 +70,11 @@ def volume_conversion(value: float, from_type: str, to_type: str) -> float:
 f"Invalid 'to_type' value: {to_type!r}. Supported values are:\n"
 + ", ".join(METRIC_CONVERSION)
 )
 return value * METRIC_CONVERSION[from_type].from_ * METRIC_CONVERSION[to_type].to
 return (
 value
 * METRIC_CONVERSION[from_type].from_factor
 * METRIC_CONVERSION[to_type].to_factor
 )


if __name__ == "__main__":
Expand Down

10 changes: 6 additions & 4 deletions
data_structures/binary_tree/distribute_coins.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -39,8 +39,8 @@

from __future__ import annotations

from collections import namedtuple
from dataclasses import dataclass
from typing import NamedTuple


@dataclass
Expand All@@ -50,7 +50,9 @@ class TreeNode:
 right: TreeNode | None = None


CoinsDistribResult = namedtuple("CoinsDistribResult", "moves excess")
class CoinsDistribResult(NamedTuple):
 moves: int
 excess: int


def distribute_coins(root: TreeNode | None) -> int:
Expand DownExpand Up@@ -79,7 +81,7 @@ def distribute_coins(root: TreeNode | None) -> int:
 # Validation
 def count_nodes(node: TreeNode | None) -> int:
 """
 >>> count_nodes(None):
 >>> count_nodes(None)
 0
 """
 if node is None:
Expand All@@ -89,7 +91,7 @@ def count_nodes(node: TreeNode | None) -> int:

 def count_coins(node: TreeNode | None) -> int:
 """
 >>> count_coins(None):
 >>> count_coins(None)
 0
 """
 if node is None:
Expand Down

22 changes: 13 additions & 9 deletions
electronics/electric_power.py

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Original file line numberDiff line numberDiff line change
@@ -1,7 +1,12 @@
# https://en.m.wikipedia.org/wiki/Electric_power
from __future__ import annotations

from collections import namedtuple
from typing import NamedTuple


class Result(NamedTuple):
 name: str
 value: float


def electric_power(voltage: float, current: float, power: float) -> tuple:
Expand All@@ -10,11 +15,11 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
 fundamental value of electrical system.
 examples are below:
 >>> electric_power(voltage=0, current=2, power=5)
result(name='voltage', value=2.5)
Result(name='voltage', value=2.5)
 >>> electric_power(voltage=2, current=2, power=0)
result(name='power', value=4.0)
Result(name='power', value=4.0)
 >>> electric_power(voltage=-2, current=3, power=0)
result(name='power', value=6.0)
Result(name='power', value=6.0)
 >>> electric_power(voltage=2, current=4, power=2)
 Traceback (most recent call last):
 ...
Expand All@@ -28,21 +33,20 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
 ...
 ValueError: Power cannot be negative in any electrical/electronics system
 >>> electric_power(voltage=2.2, current=2.2, power=0)
result(name='power', value=4.84)
Result(name='power', value=4.84)
 """
 result = namedtuple("result", "name value")
 if (voltage, current, power).count(0) != 1:
 raise ValueError("Only one argument must be 0")
 elif power < 0:
 raise ValueError(
 "Power cannot be negative in any electrical/electronics system"
 )
 elif voltage == 0:
 return result("voltage", power / current)
 return Result("voltage", power / current)
 elif current == 0:
 return result("current", power / voltage)
 return Result("current", power / voltage)
 elif power == 0:
 return result("power", float(round(abs(voltage * current), 2)))
 return Result("power", float(round(abs(voltage * current), 2)))
 else:
 raise ValueError("Exactly one argument must be 0")

Expand Down

4 changes: 2 additions & 2 deletions
graphs/bi_directional_dijkstra.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -26,8 +26,8 @@ def pass_and_relaxation(
 cst_bwd: dict,
 queue: PriorityQueue,
 parent: dict,
 shortest_distance: float | int,
) -> float | int:
 shortest_distance: float,
) -> float:
 for nxt, d in graph[v]:
 if nxt in visited_forward:
 continue
Expand Down

6 changes: 3 additions & 3 deletions
maths/area_under_curve.py

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

2 changes: 1 addition & 1 deletion
maths/decimal_to_fraction.py

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Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
def decimal_to_fraction(decimal: int | float | str) -> tuple[int, int]:
def decimal_to_fraction(decimal: float | str) -> tuple[int, int]:
 """
 Return a decimal number in its simplest fraction form
 >>> decimal_to_fraction(2)
Expand Down

6 changes: 3 additions & 3 deletions
maths/line_length.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -5,9 +5,9 @@


def line_length(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

6 changes: 3 additions & 3 deletions
maths/numerical_integration.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

4 changes: 2 additions & 2 deletions
maths/polynomials/single_indeterminate_operations.py

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -87,7 +87,7 @@ def __mul__(self, polynomial_2: Polynomial) -> Polynomial:

 return Polynomial(self.degree + polynomial_2.degree, coefficients)

 def evaluate(self, substitution: int | float) -> int | float:
 def evaluate(self, substitution: float) -> float:
 """
 Evaluates the polynomial at x.
 >>> p = Polynomial(2, [1, 2, 3])
Expand DownExpand Up@@ -144,7 +144,7 @@ def derivative(self) -> Polynomial:
 coefficients[i] = self.coefficients[i + 1] * (i + 1)
 return Polynomial(self.degree - 1, coefficients)

 def integral(self, constant: int | float = 0) -> Polynomial:
 def integral(self, constant: float = 0) -> Polynomial:
 """
 Returns the integral of the polynomial.
 >>> p = Polynomial(2, [1, 2, 3])
Expand Down

10 changes: 5 additions & 5 deletions
maths/series/geometric_series.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -14,10 +14,10 @@


def geometric_series(
 nth_term: float | int,
 start_term_a: float | int,
 common_ratio_r: float | int,
) -> list[float | int]:
 nth_term: float,
 start_term_a: float,
 common_ratio_r: float,
) -> list[float]:
 """
 Pure Python implementation of Geometric Series algorithm

Expand DownExpand Up@@ -48,7 +48,7 @@ def geometric_series(
 """
 if not all((nth_term, start_term_a, common_ratio_r)):
 return []
 series: list[float | int] = []
 series: list[float] = []
 power = 1
 multiple = common_ratio_r
 for _ in range(int(nth_term)):
Expand Down

2 changes: 1 addition & 1 deletion
maths/series/p_series.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,7 +13,7 @@
from __future__ import annotations


def p_series(nth_term: int | float | str, power: int | float | str) -> list[str]:
def p_series(nth_term: float | str, power: float | str) -> list[str]:
 """
 Pure Python implementation of P-Series algorithm
 :return: The P-Series starting from 1 to last (nth) term
Expand Down

2 changes: 1 addition & 1 deletion
maths/volume.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,7 +8,7 @@
from math import pi, pow


def vol_cube(side_length: int | float) -> float:
def vol_cube(side_length: float) -> float:
 """
 Calculate the Volume of a Cube.
 >>> vol_cube(1)
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Fix ruff errors#8936

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 Merged

cclauss
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Aug 9, 2023
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Fix ruff errors
#8936
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7d9a4d9

Fix ruff errors


tianyizheng02 Aug 9, 2023
9b8be5a

updating DIRECTORY.md

Aug 9, 2023
803e444

Change input_data.py_tf file extension


tianyizheng02 Aug 9, 2023

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1 change: 0 additions & 1 deletion
DIRECTORY.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -710,7 +710,6 @@
 * [Exponential Linear Unit](neural_network/activation_functions/exponential_linear_unit.py)
 * [Back Propagation Neural Network](neural_network/back_propagation_neural_network.py)
 * [Convolution Neural Network](neural_network/convolution_neural_network.py)
 * [Input Data](neural_network/input_data.py)
 * [Perceptron](neural_network/perceptron.py)
 * [Simple Neural Network](neural_network/simple_neural_network.py)

Expand Down

30 changes: 19 additions & 11 deletions
conversions/length_conversion.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,9 +22,13 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Millimeter
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

TYPE_CONVERSION = {
 "millimeter": "mm",
Expand All@@ -40,14 +44,14 @@
}

METRIC_CONVERSION = {
 "mm": from_to(0.001, 1000),
 "cm": from_to(0.01, 100),
 "m": from_to(1, 1),
 "km": from_to(1000, 0.001),
 "in": from_to(0.0254, 39.3701),
 "ft": from_to(0.3048, 3.28084),
 "yd": from_to(0.9144, 1.09361),
 "mi": from_to(1609.34, 0.000621371),
 "mm": FromTo(0.001, 1000),
 "cm": FromTo(0.01, 100),
 "m": FromTo(1, 1),
 "km": FromTo(1000, 0.001),
 "in": FromTo(0.0254, 39.3701),
 "ft": FromTo(0.3048, 3.28084),
 "yd": FromTo(0.9144, 1.09361),
 "mi": FromTo(1609.34, 0.000621371),
}


Expand DownExpand Up@@ -115,7 +119,11 @@ def length_conversion(value: float, from_type: str, to_type: str) -> float:
 f"Conversion abbreviations are: {', '.join(METRIC_CONVERSION)}"
 )
 raise ValueError(msg)
 return value * METRIC_CONVERSION[new_from].from_ * METRIC_CONVERSION[new_to].to
 return (
 value
 * METRIC_CONVERSION[new_from].from_factor
 * METRIC_CONVERSION[new_to].to_factor
 )


if __name__ == "__main__":
Expand Down

28 changes: 17 additions & 11 deletions
conversions/pressure_conversions.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -19,19 +19,23 @@
-> https://www.unitconverters.net/pressure-converter.html
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

PRESSURE_CONVERSION = {
 "atm": from_to(1, 1),
 "pascal": from_to(0.0000098, 101325),
 "bar": from_to(0.986923, 1.01325),
 "kilopascal": from_to(0.00986923, 101.325),
 "megapascal": from_to(9.86923, 0.101325),
 "psi": from_to(0.068046, 14.6959),
 "inHg": from_to(0.0334211, 29.9213),
 "torr": from_to(0.00131579, 760),
 "atm": FromTo(1, 1),
 "pascal": FromTo(0.0000098, 101325),
 "bar": FromTo(0.986923, 1.01325),
 "kilopascal": FromTo(0.00986923, 101.325),
 "megapascal": FromTo(9.86923, 0.101325),
 "psi": FromTo(0.068046, 14.6959),
 "inHg": FromTo(0.0334211, 29.9213),
 "torr": FromTo(0.00131579, 760),
}


Expand DownExpand Up@@ -71,7 +75,9 @@ def pressure_conversion(value: float, from_type: str, to_type: str) -> float:
 + ", ".join(PRESSURE_CONVERSION)
 )
 return (
 value * PRESSURE_CONVERSION[from_type].from_ * PRESSURE_CONVERSION[to_type].to
 value
 * PRESSURE_CONVERSION[from_type].from_factor
 * PRESSURE_CONVERSION[to_type].to_factor
 )


Expand Down

40 changes: 24 additions & 16 deletions
conversions/volume_conversions.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -18,43 +18,47 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Cup_(unit)
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

METRIC_CONVERSION = {
 "cubicmeter": from_to(1, 1),
 "litre": from_to(0.001, 1000),
 "kilolitre": from_to(1, 1),
 "gallon": from_to(0.00454, 264.172),
 "cubicyard": from_to(0.76455, 1.30795),
 "cubicfoot": from_to(0.028, 35.3147),
 "cup": from_to(0.000236588, 4226.75),
 "cubic meter": FromTo(1, 1),
 "litre": FromTo(0.001, 1000),
 "kilolitre": FromTo(1, 1),
 "gallon": FromTo(0.00454, 264.172),
 "cubic yard": FromTo(0.76455, 1.30795),
 "cubic foot": FromTo(0.028, 35.3147),
 "cup": FromTo(0.000236588, 4226.75),
}


def volume_conversion(value: float, from_type: str, to_type: str) -> float:
 """
 Conversion between volume units.
 >>> volume_conversion(4, "cubicmeter", "litre")
 >>> volume_conversion(4, "cubic meter", "litre")
 4000
 >>> volume_conversion(1, "litre", "gallon")
 0.264172
 >>> volume_conversion(1, "kilolitre", "cubicmeter")
 >>> volume_conversion(1, "kilolitre", "cubic meter")
 1
 >>> volume_conversion(3, "gallon", "cubicyard")
 >>> volume_conversion(3, "gallon", "cubic yard")
 0.017814279
 >>> volume_conversion(2, "cubicyard", "litre")
 >>> volume_conversion(2, "cubic yard", "litre")
 1529.1
 >>> volume_conversion(4, "cubicfoot", "cup")
 >>> volume_conversion(4, "cubic foot", "cup")
 473.396
 >>> volume_conversion(1, "cup", "kilolitre")
 0.000236588
 >>> volume_conversion(4, "wrongUnit", "litre")
 Traceback (most recent call last):
 ...
 ValueError: Invalid 'from_type' value: 'wrongUnit' Supported values are:
cubicmeter, litre, kilolitre, gallon, cubicyard, cubicfoot, cup
cubic meter, litre, kilolitre, gallon, cubic yard, cubic foot, cup
 """
 if from_type not in METRIC_CONVERSION:
 raise ValueError(
Expand All@@ -66,7 +70,11 @@ def volume_conversion(value: float, from_type: str, to_type: str) -> float:
 f"Invalid 'to_type' value: {to_type!r}. Supported values are:\n"
 + ", ".join(METRIC_CONVERSION)
 )
 return value * METRIC_CONVERSION[from_type].from_ * METRIC_CONVERSION[to_type].to
 return (
 value
 * METRIC_CONVERSION[from_type].from_factor
 * METRIC_CONVERSION[to_type].to_factor
 )


if __name__ == "__main__":
Expand Down

10 changes: 6 additions & 4 deletions
data_structures/binary_tree/distribute_coins.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -39,8 +39,8 @@

from __future__ import annotations

from collections import namedtuple
from dataclasses import dataclass
from typing import NamedTuple


@dataclass
Expand All@@ -50,7 +50,9 @@ class TreeNode:
 right: TreeNode | None = None


CoinsDistribResult = namedtuple("CoinsDistribResult", "moves excess")
class CoinsDistribResult(NamedTuple):
 moves: int
 excess: int


def distribute_coins(root: TreeNode | None) -> int:
Expand DownExpand Up@@ -79,7 +81,7 @@ def distribute_coins(root: TreeNode | None) -> int:
 # Validation
 def count_nodes(node: TreeNode | None) -> int:
 """
 >>> count_nodes(None):
 >>> count_nodes(None)
 0
 """
 if node is None:
Expand All@@ -89,7 +91,7 @@ def count_nodes(node: TreeNode | None) -> int:

 def count_coins(node: TreeNode | None) -> int:
 """
 >>> count_coins(None):
 >>> count_coins(None)
 0
 """
 if node is None:
Expand Down

22 changes: 13 additions & 9 deletions
electronics/electric_power.py

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,7 +1,12 @@
# https://en.m.wikipedia.org/wiki/Electric_power
from __future__ import annotations

from collections import namedtuple
from typing import NamedTuple


class Result(NamedTuple):
 name: str
 value: float


def electric_power(voltage: float, current: float, power: float) -> tuple:
Expand All@@ -10,11 +15,11 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
 fundamental value of electrical system.
 examples are below:
 >>> electric_power(voltage=0, current=2, power=5)
result(name='voltage', value=2.5)
Result(name='voltage', value=2.5)
 >>> electric_power(voltage=2, current=2, power=0)
result(name='power', value=4.0)
Result(name='power', value=4.0)
 >>> electric_power(voltage=-2, current=3, power=0)
result(name='power', value=6.0)
Result(name='power', value=6.0)
 >>> electric_power(voltage=2, current=4, power=2)
 Traceback (most recent call last):
 ...
Expand All@@ -28,21 +33,20 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
 ...
 ValueError: Power cannot be negative in any electrical/electronics system
 >>> electric_power(voltage=2.2, current=2.2, power=0)
result(name='power', value=4.84)
Result(name='power', value=4.84)
 """
 result = namedtuple("result", "name value")
 if (voltage, current, power).count(0) != 1:
 raise ValueError("Only one argument must be 0")
 elif power < 0:
 raise ValueError(
 "Power cannot be negative in any electrical/electronics system"
 )
 elif voltage == 0:
 return result("voltage", power / current)
 return Result("voltage", power / current)
 elif current == 0:
 return result("current", power / voltage)
 return Result("current", power / voltage)
 elif power == 0:
 return result("power", float(round(abs(voltage * current), 2)))
 return Result("power", float(round(abs(voltage * current), 2)))
 else:
 raise ValueError("Exactly one argument must be 0")

Expand Down

4 changes: 2 additions & 2 deletions
graphs/bi_directional_dijkstra.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -26,8 +26,8 @@ def pass_and_relaxation(
 cst_bwd: dict,
 queue: PriorityQueue,
 parent: dict,
 shortest_distance: float | int,
) -> float | int:
 shortest_distance: float,
) -> float:
 for nxt, d in graph[v]:
 if nxt in visited_forward:
 continue
Expand Down

6 changes: 3 additions & 3 deletions
maths/area_under_curve.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

2 changes: 1 addition & 1 deletion
maths/decimal_to_fraction.py

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
def decimal_to_fraction(decimal: int | float | str) -> tuple[int, int]:
def decimal_to_fraction(decimal: float | str) -> tuple[int, int]:
 """
 Return a decimal number in its simplest fraction form
 >>> decimal_to_fraction(2)
Expand Down

6 changes: 3 additions & 3 deletions
maths/line_length.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -5,9 +5,9 @@


def line_length(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

6 changes: 3 additions & 3 deletions
maths/numerical_integration.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

4 changes: 2 additions & 2 deletions
maths/polynomials/single_indeterminate_operations.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -87,7 +87,7 @@ def __mul__(self, polynomial_2: Polynomial) -> Polynomial:

 return Polynomial(self.degree + polynomial_2.degree, coefficients)

 def evaluate(self, substitution: int | float) -> int | float:
 def evaluate(self, substitution: float) -> float:
 """
 Evaluates the polynomial at x.
 >>> p = Polynomial(2, [1, 2, 3])
Expand DownExpand Up@@ -144,7 +144,7 @@ def derivative(self) -> Polynomial:
 coefficients[i] = self.coefficients[i + 1] * (i + 1)
 return Polynomial(self.degree - 1, coefficients)

 def integral(self, constant: int | float = 0) -> Polynomial:
 def integral(self, constant: float = 0) -> Polynomial:
 """
 Returns the integral of the polynomial.
 >>> p = Polynomial(2, [1, 2, 3])
Expand Down

10 changes: 5 additions & 5 deletions
maths/series/geometric_series.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -14,10 +14,10 @@


def geometric_series(
 nth_term: float | int,
 start_term_a: float | int,
 common_ratio_r: float | int,
) -> list[float | int]:
 nth_term: float,
 start_term_a: float,
 common_ratio_r: float,
) -> list[float]:
 """
 Pure Python implementation of Geometric Series algorithm

Expand DownExpand Up@@ -48,7 +48,7 @@ def geometric_series(
 """
 if not all((nth_term, start_term_a, common_ratio_r)):
 return []
 series: list[float | int] = []
 series: list[float] = []
 power = 1
 multiple = common_ratio_r
 for _ in range(int(nth_term)):
Expand Down

2 changes: 1 addition & 1 deletion
maths/series/p_series.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -13,7 +13,7 @@
from __future__ import annotations


def p_series(nth_term: int | float | str, power: int | float | str) -> list[str]:
def p_series(nth_term: float | str, power: float | str) -> list[str]:
 """
 Pure Python implementation of P-Series algorithm
 :return: The P-Series starting from 1 to last (nth) term
Expand Down

2 changes: 1 addition & 1 deletion
maths/volume.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,7 +8,7 @@
from math import pi, pow


def vol_cube(side_length: int | float) -> float:
def vol_cube(side_length: float) -> float:
 """
 Calculate the Volume of a Cube.
 >>> vol_cube(1)
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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Fix ruff errors#8936

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 Merged

cclauss
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Aug 9, 2023
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Fix ruff errors
#8936
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7d9a4d9

Fix ruff errors


tianyizheng02 Aug 9, 2023
9b8be5a

updating DIRECTORY.md

Aug 9, 2023
803e444

Change input_data.py_tf file extension


tianyizheng02 Aug 9, 2023

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1 change: 0 additions & 1 deletion
DIRECTORY.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -710,7 +710,6 @@
 * [Exponential Linear Unit](neural_network/activation_functions/exponential_linear_unit.py)
 * [Back Propagation Neural Network](neural_network/back_propagation_neural_network.py)
 * [Convolution Neural Network](neural_network/convolution_neural_network.py)
 * [Input Data](neural_network/input_data.py)
 * [Perceptron](neural_network/perceptron.py)
 * [Simple Neural Network](neural_network/simple_neural_network.py)

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30 changes: 19 additions & 11 deletions
conversions/length_conversion.py

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Expand Up@@ -22,9 +22,13 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Millimeter
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

TYPE_CONVERSION = {
 "millimeter": "mm",
Expand All@@ -40,14 +44,14 @@
}

METRIC_CONVERSION = {
 "mm": from_to(0.001, 1000),
 "cm": from_to(0.01, 100),
 "m": from_to(1, 1),
 "km": from_to(1000, 0.001),
 "in": from_to(0.0254, 39.3701),
 "ft": from_to(0.3048, 3.28084),
 "yd": from_to(0.9144, 1.09361),
 "mi": from_to(1609.34, 0.000621371),
 "mm": FromTo(0.001, 1000),
 "cm": FromTo(0.01, 100),
 "m": FromTo(1, 1),
 "km": FromTo(1000, 0.001),
 "in": FromTo(0.0254, 39.3701),
 "ft": FromTo(0.3048, 3.28084),
 "yd": FromTo(0.9144, 1.09361),
 "mi": FromTo(1609.34, 0.000621371),
}


Expand DownExpand Up@@ -115,7 +119,11 @@ def length_conversion(value: float, from_type: str, to_type: str) -> float:
 f"Conversion abbreviations are: {', '.join(METRIC_CONVERSION)}"
 )
 raise ValueError(msg)
 return value * METRIC_CONVERSION[new_from].from_ * METRIC_CONVERSION[new_to].to
 return (
 value
 * METRIC_CONVERSION[new_from].from_factor
 * METRIC_CONVERSION[new_to].to_factor
 )


if __name__ == "__main__":
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28 changes: 17 additions & 11 deletions
conversions/pressure_conversions.py

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Expand Up@@ -19,19 +19,23 @@
-> https://www.unitconverters.net/pressure-converter.html
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

PRESSURE_CONVERSION = {
 "atm": from_to(1, 1),
 "pascal": from_to(0.0000098, 101325),
 "bar": from_to(0.986923, 1.01325),
 "kilopascal": from_to(0.00986923, 101.325),
 "megapascal": from_to(9.86923, 0.101325),
 "psi": from_to(0.068046, 14.6959),
 "inHg": from_to(0.0334211, 29.9213),
 "torr": from_to(0.00131579, 760),
 "atm": FromTo(1, 1),
 "pascal": FromTo(0.0000098, 101325),
 "bar": FromTo(0.986923, 1.01325),
 "kilopascal": FromTo(0.00986923, 101.325),
 "megapascal": FromTo(9.86923, 0.101325),
 "psi": FromTo(0.068046, 14.6959),
 "inHg": FromTo(0.0334211, 29.9213),
 "torr": FromTo(0.00131579, 760),
}


Expand DownExpand Up@@ -71,7 +75,9 @@ def pressure_conversion(value: float, from_type: str, to_type: str) -> float:
 + ", ".join(PRESSURE_CONVERSION)
 )
 return (
 value * PRESSURE_CONVERSION[from_type].from_ * PRESSURE_CONVERSION[to_type].to
 value
 * PRESSURE_CONVERSION[from_type].from_factor
 * PRESSURE_CONVERSION[to_type].to_factor
 )


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40 changes: 24 additions & 16 deletions
conversions/volume_conversions.py

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Expand Up@@ -18,43 +18,47 @@
-> Wikipedia reference: https://en.wikipedia.org/wiki/Cup_(unit)
"""

from collections import namedtuple
from typing import NamedTuple


class FromTo(NamedTuple):
 from_factor: float
 to_factor: float

from_to = namedtuple("from_to", "from_ to")

METRIC_CONVERSION = {
 "cubicmeter": from_to(1, 1),
 "litre": from_to(0.001, 1000),
 "kilolitre": from_to(1, 1),
 "gallon": from_to(0.00454, 264.172),
 "cubicyard": from_to(0.76455, 1.30795),
 "cubicfoot": from_to(0.028, 35.3147),
 "cup": from_to(0.000236588, 4226.75),
 "cubic meter": FromTo(1, 1),
 "litre": FromTo(0.001, 1000),
 "kilolitre": FromTo(1, 1),
 "gallon": FromTo(0.00454, 264.172),
 "cubic yard": FromTo(0.76455, 1.30795),
 "cubic foot": FromTo(0.028, 35.3147),
 "cup": FromTo(0.000236588, 4226.75),
}


def volume_conversion(value: float, from_type: str, to_type: str) -> float:
 """
 Conversion between volume units.
 >>> volume_conversion(4, "cubicmeter", "litre")
 >>> volume_conversion(4, "cubic meter", "litre")
 4000
 >>> volume_conversion(1, "litre", "gallon")
 0.264172
 >>> volume_conversion(1, "kilolitre", "cubicmeter")
 >>> volume_conversion(1, "kilolitre", "cubic meter")
 1
 >>> volume_conversion(3, "gallon", "cubicyard")
 >>> volume_conversion(3, "gallon", "cubic yard")
 0.017814279
 >>> volume_conversion(2, "cubicyard", "litre")
 >>> volume_conversion(2, "cubic yard", "litre")
 1529.1
 >>> volume_conversion(4, "cubicfoot", "cup")
 >>> volume_conversion(4, "cubic foot", "cup")
 473.396
 >>> volume_conversion(1, "cup", "kilolitre")
 0.000236588
 >>> volume_conversion(4, "wrongUnit", "litre")
 Traceback (most recent call last):
 ...
 ValueError: Invalid 'from_type' value: 'wrongUnit' Supported values are:
cubicmeter, litre, kilolitre, gallon, cubicyard, cubicfoot, cup
cubic meter, litre, kilolitre, gallon, cubic yard, cubic foot, cup
 """
 if from_type not in METRIC_CONVERSION:
 raise ValueError(
Expand All@@ -66,7 +70,11 @@ def volume_conversion(value: float, from_type: str, to_type: str) -> float:
 f"Invalid 'to_type' value: {to_type!r}. Supported values are:\n"
 + ", ".join(METRIC_CONVERSION)
 )
 return value * METRIC_CONVERSION[from_type].from_ * METRIC_CONVERSION[to_type].to
 return (
 value
 * METRIC_CONVERSION[from_type].from_factor
 * METRIC_CONVERSION[to_type].to_factor
 )


if __name__ == "__main__":
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10 changes: 6 additions & 4 deletions
data_structures/binary_tree/distribute_coins.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -39,8 +39,8 @@

from __future__ import annotations

from collections import namedtuple
from dataclasses import dataclass
from typing import NamedTuple


@dataclass
Expand All@@ -50,7 +50,9 @@ class TreeNode:
 right: TreeNode | None = None


CoinsDistribResult = namedtuple("CoinsDistribResult", "moves excess")
class CoinsDistribResult(NamedTuple):
 moves: int
 excess: int


def distribute_coins(root: TreeNode | None) -> int:
Expand DownExpand Up@@ -79,7 +81,7 @@ def distribute_coins(root: TreeNode | None) -> int:
 # Validation
 def count_nodes(node: TreeNode | None) -> int:
 """
 >>> count_nodes(None):
 >>> count_nodes(None)
 0
 """
 if node is None:
Expand All@@ -89,7 +91,7 @@ def count_nodes(node: TreeNode | None) -> int:

 def count_coins(node: TreeNode | None) -> int:
 """
 >>> count_coins(None):
 >>> count_coins(None)
 0
 """
 if node is None:
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22 changes: 13 additions & 9 deletions
electronics/electric_power.py

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Original file line numberDiff line numberDiff line change
@@ -1,7 +1,12 @@
# https://en.m.wikipedia.org/wiki/Electric_power
from __future__ import annotations

from collections import namedtuple
from typing import NamedTuple


class Result(NamedTuple):
 name: str
 value: float


def electric_power(voltage: float, current: float, power: float) -> tuple:
Expand All@@ -10,11 +15,11 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
 fundamental value of electrical system.
 examples are below:
 >>> electric_power(voltage=0, current=2, power=5)
result(name='voltage', value=2.5)
Result(name='voltage', value=2.5)
 >>> electric_power(voltage=2, current=2, power=0)
result(name='power', value=4.0)
Result(name='power', value=4.0)
 >>> electric_power(voltage=-2, current=3, power=0)
result(name='power', value=6.0)
Result(name='power', value=6.0)
 >>> electric_power(voltage=2, current=4, power=2)
 Traceback (most recent call last):
 ...
Expand All@@ -28,21 +33,20 @@ def electric_power(voltage: float, current: float, power: float) -> tuple:
 ...
 ValueError: Power cannot be negative in any electrical/electronics system
 >>> electric_power(voltage=2.2, current=2.2, power=0)
result(name='power', value=4.84)
Result(name='power', value=4.84)
 """
 result = namedtuple("result", "name value")
 if (voltage, current, power).count(0) != 1:
 raise ValueError("Only one argument must be 0")
 elif power < 0:
 raise ValueError(
 "Power cannot be negative in any electrical/electronics system"
 )
 elif voltage == 0:
 return result("voltage", power / current)
 return Result("voltage", power / current)
 elif current == 0:
 return result("current", power / voltage)
 return Result("current", power / voltage)
 elif power == 0:
 return result("power", float(round(abs(voltage * current), 2)))
 return Result("power", float(round(abs(voltage * current), 2)))
 else:
 raise ValueError("Exactly one argument must be 0")

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4 changes: 2 additions & 2 deletions
graphs/bi_directional_dijkstra.py

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Expand Up@@ -26,8 +26,8 @@ def pass_and_relaxation(
 cst_bwd: dict,
 queue: PriorityQueue,
 parent: dict,
 shortest_distance: float | int,
) -> float | int:
 shortest_distance: float,
) -> float:
 for nxt, d in graph[v]:
 if nxt in visited_forward:
 continue
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6 changes: 3 additions & 3 deletions
maths/area_under_curve.py

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Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
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2 changes: 1 addition & 1 deletion
maths/decimal_to_fraction.py

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@@ -1,4 +1,4 @@
def decimal_to_fraction(decimal: int | float | str) -> tuple[int, int]:
def decimal_to_fraction(decimal: float | str) -> tuple[int, int]:
 """
 Return a decimal number in its simplest fraction form
 >>> decimal_to_fraction(2)
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6 changes: 3 additions & 3 deletions
maths/line_length.py

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Expand Up@@ -5,9 +5,9 @@


def line_length(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

6 changes: 3 additions & 3 deletions
maths/numerical_integration.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,9 +7,9 @@


def trapezoidal_area(
 fnc: Callable[[int | float], int | float],
 x_start: int | float,
 x_end: int | float,
 fnc: Callable[[float], float],
 x_start: float,
 x_end: float,
 steps: int = 100,
) -> float:
 """
Expand Down

4 changes: 2 additions & 2 deletions
maths/polynomials/single_indeterminate_operations.py

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Expand Up@@ -87,7 +87,7 @@ def __mul__(self, polynomial_2: Polynomial) -> Polynomial:

 return Polynomial(self.degree + polynomial_2.degree, coefficients)

 def evaluate(self, substitution: int | float) -> int | float:
 def evaluate(self, substitution: float) -> float:
 """
 Evaluates the polynomial at x.
 >>> p = Polynomial(2, [1, 2, 3])
Expand DownExpand Up@@ -144,7 +144,7 @@ def derivative(self) -> Polynomial:
 coefficients[i] = self.coefficients[i + 1] * (i + 1)
 return Polynomial(self.degree - 1, coefficients)

 def integral(self, constant: int | float = 0) -> Polynomial:
 def integral(self, constant: float = 0) -> Polynomial:
 """
 Returns the integral of the polynomial.
 >>> p = Polynomial(2, [1, 2, 3])
Expand Down

10 changes: 5 additions & 5 deletions
maths/series/geometric_series.py

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Expand Up@@ -14,10 +14,10 @@


def geometric_series(
 nth_term: float | int,
 start_term_a: float | int,
 common_ratio_r: float | int,
) -> list[float | int]:
 nth_term: float,
 start_term_a: float,
 common_ratio_r: float,
) -> list[float]:
 """
 Pure Python implementation of Geometric Series algorithm

Expand DownExpand Up@@ -48,7 +48,7 @@ def geometric_series(
 """
 if not all((nth_term, start_term_a, common_ratio_r)):
 return []
 series: list[float | int] = []
 series: list[float] = []
 power = 1
 multiple = common_ratio_r
 for _ in range(int(nth_term)):
Expand Down

2 changes: 1 addition & 1 deletion
maths/series/p_series.py

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Expand Up@@ -13,7 +13,7 @@
from __future__ import annotations


def p_series(nth_term: int | float | str, power: int | float | str) -> list[str]:
def p_series(nth_term: float | str, power: float | str) -> list[str]:
 """
 Pure Python implementation of P-Series algorithm
 :return: The P-Series starting from 1 to last (nth) term
Expand Down

2 changes: 1 addition & 1 deletion
maths/volume.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,7 +8,7 @@
from math import pi, pow


def vol_cube(side_length: int | float) -> float:
def vol_cube(side_length: float) -> float:
 """
 Calculate the Volume of a Cube.
 >>> vol_cube(1)
Expand Down
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