Added binary_xor_operator.py and binary_and_operator.py

bit_manipulation/binary_and_operator.py

@@ -0,0 +1,51 @@
+# https://www.tutorialspoint.com/python3/bitwise_operators_example.htm
+
+def binary_and(a: int, b: int):
+ """
+ Take in 2 integers, convert them to binary,
+ return a binary number that is the
+ result of a binary and operation on the integers provided.
+
+ >>> binary_and(25, 32)
+ '0b000000'
+ >>> binary_and(37, 50)
+ '0b100000'
+ >>> binary_and(21, 30)
+ '0b10100'
+ >>> binary_and(58, 73)
+ '0b0001000'
+ >>> binary_and(0, 255)
+ '0b00000000'
+ >>> binary_and(256, 256)
+ '0b100000000'
+ >>> binary_and(0, -1)
+ Traceback (most recent call last):
+ ...
+ ValueError: the value of both input must be positive
+ >>> binary_and(0, 1.1)
+ Traceback (most recent call last):
+ ...
+ TypeError: 'float' object cannot be interpreted as an integer
+ >>> binary_and("0", "1")
+ Traceback (most recent call last):
+ ...
+ TypeError: '<' not supported between instances of 'str' and 'int'
+ """
+ if a < 0 or b < 0:
+ raise ValueError("the value of both input must be positive")
+
+ a_binary = str(bin(a))[2:] # remove the leading "0b"
+ b_binary = str(bin(b))[2:] # remove the leading "0b"
+
+ max_len = max(len(a_binary), len(b_binary))
+
+ return "0b" + "".join(
+ str(int(char_a == "1" and char_b == "1"))
+ for char_a, char_b in zip(a_binary.zfill(max_len), b_binary.zfill(max_len))
+ )
+
+
+if __name__ == "__main__":
+ import doctest
+
+ doctest.testmod()

bit_manipulation/binary_xor_operator.py

@@ -0,0 +1,51 @@
+# https://www.tutorialspoint.com/python3/bitwise_operators_example.htm
+
+def binary_xor(a: int, b: int):
+ """
+ Take in 2 integers, convert them to binary,
+ return a binary number that is the
+ result of a binary xor operation on the integers provided.
+
+ >>> binary_xor(25, 32)
+ '0b111001'
+ >>> binary_xor(37, 50)
+ '0b010111'
+ >>> binary_xor(21, 30)
+ '0b01011'
+ >>> binary_xor(58, 73)
+ '0b1110011'
+ >>> binary_xor(0, 255)
+ '0b11111111'
+ >>> binary_xor(256, 256)
+ '0b000000000'
+ >>> binary_xor(0, -1)
+ Traceback (most recent call last):
+ ...
+ ValueError: the value of both input must be positive
+ >>> binary_xor(0, 1.1)
+ Traceback (most recent call last):
+ ...
+ TypeError: 'float' object cannot be interpreted as an integer
+ >>> binary_xor("0", "1")
+ Traceback (most recent call last):
+ ...
+ TypeError: '<' not supported between instances of 'str' and 'int'
+ """
+ if a < 0 or b < 0:
+ raise ValueError("the value of both input must be positive")
+
+ a_binary = str(bin(a))[2:] # remove the leading "0b"
+ b_binary = str(bin(b))[2:] # remove the leading "0b"
+
+ max_len = max(len(a_binary), len(b_binary))
+
+ return "0b" + "".join(
+ str(int(char_a != char_b))
+ for char_a, char_b in zip(a_binary.zfill(max_len), b_binary.zfill(max_len))
+ )
+
+
+if __name__ == "__main__":
+ import doctest
+
+ doctest.testmod()