Python __eq__ and __ne__ experiments

equal.py

from typing import Any


class Something:
    def __init__(self, *, a: int = 4) -> None:
        self.a = a

    def __eq__(self, other: Any) -> bool:
        if isinstance(other, self.__class__):
            return self.a == other.a
        return NotImplemented


class OtherClass:
    def __init__(self, b : bool = False) -> None:
        self.b = b

    def __eq__(self, other: Any) -> bool:
        if isinstance(other, self.__class__):
            return self.b == other.b
        return NotImplemented


if __name__ == '__main__':
    something = Something(a=5)
    other = OtherClass(b=True)

    print(other == something)  # False
    print(something == something)  # True
    print(something != other)  # True