From a662d96196d58c2415d6a6933fa78a59996cc3fa Mon Sep 17 00:00:00 2001 From: Arjit Arora <42044030+arjitarora26@users.noreply.github.com> Date: Wed, 26 Oct 2022 00:56:53 +0530 Subject: [PATCH] Add function for xor gate (#7588) * Add function for xor gate * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * Add test case for xor functions * Update boolean_algebra/xor_gate.py Co-authored-by: Christian Clauss * Update boolean_algebra/xor_gate.py Co-authored-by: Christian Clauss * Split long comment line into two lines * 88 characters per line Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Christian Clauss --- boolean_algebra/xor_gate.py | 46 +++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 boolean_algebra/xor_gate.py diff --git a/boolean_algebra/xor_gate.py b/boolean_algebra/xor_gate.py new file mode 100644 index 000000000..db4f5b45c --- /dev/null +++ b/boolean_algebra/xor_gate.py @@ -0,0 +1,46 @@ +""" +A XOR Gate is a logic gate in boolean algebra which results to 1 (True) if only one of +the two inputs is 1, and 0 (False) if an even number of inputs are 1. +Following is the truth table of a XOR Gate: + ------------------------------ + | Input 1 | Input 2 | Output | + ------------------------------ + | 0 | 0 | 0 | + | 0 | 1 | 1 | + | 1 | 0 | 1 | + | 1 | 1 | 0 | + ------------------------------ + +Refer - https://www.geeksforgeeks.org/logic-gates-in-python/ +""" + + +def xor_gate(input_1: int, input_2: int) -> int: + """ + calculate xor of the input values + + >>> xor_gate(0, 0) + 0 + >>> xor_gate(0, 1) + 1 + >>> xor_gate(1, 0) + 1 + >>> xor_gate(1, 1) + 0 + """ + return (input_1, input_2).count(0) % 2 + + +def test_xor_gate() -> None: + """ + Tests the xor_gate function + """ + assert xor_gate(0, 0) == 0 + assert xor_gate(0, 1) == 1 + assert xor_gate(1, 0) == 1 + assert xor_gate(1, 1) == 0 + + +if __name__ == "__main__": + print(xor_gate(0, 0)) + print(xor_gate(0, 1))