MRO (Method Resolution Order)#

[4]:

class A:
    def hello(self) -> str:
        return "a"


class B:
    def hello(self) -> str:
        return "b"


class C(A, B):
    pass


# Search order C -> A -> B -> object
print(C().hello())
print(C.__mro__)

a
(<class '__main__.C'>, <class '__main__.A'>, <class '__main__.B'>, <class 'object'>)