Python/conversions/binary_to_decimal.py at master · manmita/Python · GitHub

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defbin_to_decimal(bin_string: str) ->int:
"""
 Convert a binary value to its decimal equivalent

 >>> bin_to_decimal("101")
 5
 >>> bin_to_decimal(" 1010 ")
 10
 >>> bin_to_decimal("-11101")
 -29
 >>> bin_to_decimal("0")
 0
 >>> bin_to_decimal("a")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 >>> bin_to_decimal("")
 Traceback (most recent call last):
 ...
 ValueError: Empty string was passed to the function
 >>> bin_to_decimal("39")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 """
bin_string=str(bin_string).strip()
ifnotbin_string:
raiseValueError("Empty string was passed to the function")
is_negative=bin_string[0] =="-"
ifis_negative:
bin_string=bin_string[1:]
ifnotall(charin"01"forcharinbin_string):
raiseValueError("Non-binary value was passed to the function")
decimal_number=0
forcharinbin_string:
decimal_number=2*decimal_number+int(char)
return-decimal_numberifis_negativeelsedecimal_number


if__name__=="__main__":
fromdoctestimporttestmod

testmod()
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defbin_to_decimal(bin_string: str) ->int:
"""
 Convert a binary value to its decimal equivalent

 >>> bin_to_decimal("101")
 5
 >>> bin_to_decimal(" 1010 ")
 10
 >>> bin_to_decimal("-11101")
 -29
 >>> bin_to_decimal("0")
 0
 >>> bin_to_decimal("a")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 >>> bin_to_decimal("")
 Traceback (most recent call last):
 ...
 ValueError: Empty string was passed to the function
 >>> bin_to_decimal("39")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 """
bin_string=str(bin_string).strip()
ifnotbin_string:
raiseValueError("Empty string was passed to the function")
is_negative=bin_string[0] =="-"
ifis_negative:
bin_string=bin_string[1:]
ifnotall(charin"01"forcharinbin_string):
raiseValueError("Non-binary value was passed to the function")
decimal_number=0
forcharinbin_string:
decimal_number=2*decimal_number+int(char)
return-decimal_numberifis_negativeelsedecimal_number


if__name__=="__main__":
fromdoctestimporttestmod

testmod()
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defbin_to_decimal(bin_string: str) ->int:
"""
 Convert a binary value to its decimal equivalent

 >>> bin_to_decimal("101")
 5
 >>> bin_to_decimal(" 1010 ")
 10
 >>> bin_to_decimal("-11101")
 -29
 >>> bin_to_decimal("0")
 0
 >>> bin_to_decimal("a")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 >>> bin_to_decimal("")
 Traceback (most recent call last):
 ...
 ValueError: Empty string was passed to the function
 >>> bin_to_decimal("39")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 """
bin_string=str(bin_string).strip()
ifnotbin_string:
raiseValueError("Empty string was passed to the function")
is_negative=bin_string[0] =="-"
ifis_negative:
bin_string=bin_string[1:]
ifnotall(charin"01"forcharinbin_string):
raiseValueError("Non-binary value was passed to the function")
decimal_number=0
forcharinbin_string:
decimal_number=2*decimal_number+int(char)
return-decimal_numberifis_negativeelsedecimal_number


if__name__=="__main__":
fromdoctestimporttestmod

testmod()
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defbin_to_decimal(bin_string: str) ->int:
"""
 Convert a binary value to its decimal equivalent

 >>> bin_to_decimal("101")
 5
 >>> bin_to_decimal(" 1010 ")
 10
 >>> bin_to_decimal("-11101")
 -29
 >>> bin_to_decimal("0")
 0
 >>> bin_to_decimal("a")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 >>> bin_to_decimal("")
 Traceback (most recent call last):
 ...
 ValueError: Empty string was passed to the function
 >>> bin_to_decimal("39")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 """
bin_string=str(bin_string).strip()
ifnotbin_string:
raiseValueError("Empty string was passed to the function")
is_negative=bin_string[0] =="-"
ifis_negative:
bin_string=bin_string[1:]
ifnotall(charin"01"forcharinbin_string):
raiseValueError("Non-binary value was passed to the function")
decimal_number=0
forcharinbin_string:
decimal_number=2*decimal_number+int(char)
return-decimal_numberifis_negativeelsedecimal_number


if__name__=="__main__":
fromdoctestimporttestmod

testmod()
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defbin_to_decimal(bin_string: str) ->int:
"""
 Convert a binary value to its decimal equivalent

 >>> bin_to_decimal("101")
 5
 >>> bin_to_decimal(" 1010 ")
 10
 >>> bin_to_decimal("-11101")
 -29
 >>> bin_to_decimal("0")
 0
 >>> bin_to_decimal("a")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 >>> bin_to_decimal("")
 Traceback (most recent call last):
 ...
 ValueError: Empty string was passed to the function
 >>> bin_to_decimal("39")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 """
bin_string=str(bin_string).strip()
ifnotbin_string:
raiseValueError("Empty string was passed to the function")
is_negative=bin_string[0] =="-"
ifis_negative:
bin_string=bin_string[1:]
ifnotall(charin"01"forcharinbin_string):
raiseValueError("Non-binary value was passed to the function")
decimal_number=0
forcharinbin_string:
decimal_number=2*decimal_number+int(char)
return-decimal_numberifis_negativeelsedecimal_number


if__name__=="__main__":
fromdoctestimporttestmod

testmod()
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defbin_to_decimal(bin_string: str) ->int:
"""
 Convert a binary value to its decimal equivalent

 >>> bin_to_decimal("101")
 5
 >>> bin_to_decimal(" 1010 ")
 10
 >>> bin_to_decimal("-11101")
 -29
 >>> bin_to_decimal("0")
 0
 >>> bin_to_decimal("a")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 >>> bin_to_decimal("")
 Traceback (most recent call last):
 ...
 ValueError: Empty string was passed to the function
 >>> bin_to_decimal("39")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 """
bin_string=str(bin_string).strip()
ifnotbin_string:
raiseValueError("Empty string was passed to the function")
is_negative=bin_string[0] =="-"
ifis_negative:
bin_string=bin_string[1:]
ifnotall(charin"01"forcharinbin_string):
raiseValueError("Non-binary value was passed to the function")
decimal_number=0
forcharinbin_string:
decimal_number=2*decimal_number+int(char)
return-decimal_numberifis_negativeelsedecimal_number


if__name__=="__main__":
fromdoctestimporttestmod

testmod()
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defbin_to_decimal(bin_string: str) ->int:
"""
 Convert a binary value to its decimal equivalent

 >>> bin_to_decimal("101")
 5
 >>> bin_to_decimal(" 1010 ")
 10
 >>> bin_to_decimal("-11101")
 -29
 >>> bin_to_decimal("0")
 0
 >>> bin_to_decimal("a")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 >>> bin_to_decimal("")
 Traceback (most recent call last):
 ...
 ValueError: Empty string was passed to the function
 >>> bin_to_decimal("39")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 """
bin_string=str(bin_string).strip()
ifnotbin_string:
raiseValueError("Empty string was passed to the function")
is_negative=bin_string[0] =="-"
ifis_negative:
bin_string=bin_string[1:]
ifnotall(charin"01"forcharinbin_string):
raiseValueError("Non-binary value was passed to the function")
decimal_number=0
forcharinbin_string:
decimal_number=2*decimal_number+int(char)
return-decimal_numberifis_negativeelsedecimal_number


if__name__=="__main__":
fromdoctestimporttestmod

testmod()
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defbin_to_decimal(bin_string: str) ->int:
"""
 Convert a binary value to its decimal equivalent

 >>> bin_to_decimal("101")
 5
 >>> bin_to_decimal(" 1010 ")
 10
 >>> bin_to_decimal("-11101")
 -29
 >>> bin_to_decimal("0")
 0
 >>> bin_to_decimal("a")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 >>> bin_to_decimal("")
 Traceback (most recent call last):
 ...
 ValueError: Empty string was passed to the function
 >>> bin_to_decimal("39")
 Traceback (most recent call last):
 ...
 ValueError: Non-binary value was passed to the function
 """
bin_string=str(bin_string).strip()
ifnotbin_string:
raiseValueError("Empty string was passed to the function")
is_negative=bin_string[0] =="-"
ifis_negative:
bin_string=bin_string[1:]
ifnotall(charin"01"forcharinbin_string):
raiseValueError("Non-binary value was passed to the function")
decimal_number=0
forcharinbin_string:
decimal_number=2*decimal_number+int(char)
return-decimal_numberifis_negativeelsedecimal_number


if__name__=="__main__":
fromdoctestimporttestmod

testmod()