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bit_manipulation/binary_and_operator.py
52 строки
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Vishal Kumar Gupta
use format to remove '0b' (#11307)
02 июн 2024, 04:41
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02 июн 2024, 04:41
edee8e6
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# https://www.tutorialspoint.com/python3/bitwise_operators_example.htm def binary_and(a: int, b: int) -> str: """ 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 inputs must be positive >>> binary_and(0, 1.1) Traceback (most recent call last): ... ValueError: Unknown format code 'b' for object of type 'float' >>> 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 inputs must be positive") a_binary = format(a, "b") b_binary = format(b, "b") 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()