Python/boolean_algebra/xnor_gate.py
Karthik S 103c9e0876
Added Implementation of NAND, OR ,XNOR and NOT gates in python (#7596)
* Added Implementation for XNOR gate

* Added Implementation for OR gate

* Added implementation of NAND gate

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* Added Implementation of NAND gate

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* Updated nand_gate.py

* updated xnor_gate.py after some changes

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* Updated xnor_gate.py

* Added Implementation of NOT gate in python

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* fixed a typo error

* Updated to a new logic

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* Updated nand_gate.py file

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Python

"""
A XNOR Gate is a logic gate in boolean algebra which results to 0 (False) if both the
inputs are different, and 1 (True), if the inputs are same.
It's similar to adding a NOT gate to an XOR gate
Following is the truth table of a XNOR Gate:
------------------------------
| Input 1 | Input 2 | Output |
------------------------------
| 0 | 0 | 1 |
| 0 | 1 | 0 |
| 1 | 0 | 0 |
| 1 | 1 | 1 |
------------------------------
Refer - https://www.geeksforgeeks.org/logic-gates-in-python/
"""
def xnor_gate(input_1: int, input_2: int) -> int:
"""
Calculate XOR of the input values
>>> xnor_gate(0, 0)
1
>>> xnor_gate(0, 1)
0
>>> xnor_gate(1, 0)
0
>>> xnor_gate(1, 1)
1
"""
return 1 if input_1 == input_2 else 0
def test_xnor_gate() -> None:
"""
Tests the xnor_gate function
"""
assert xnor_gate(0, 0) == 1
assert xnor_gate(0, 1) == 0
assert xnor_gate(1, 0) == 0
assert xnor_gate(1, 1) == 1
if __name__ == "__main__":
print(xnor_gate(0, 0))
print(xnor_gate(0, 1))
print(xnor_gate(1, 0))
print(xnor_gate(1, 1))