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pythonoopinheritancesuper

what is the difference between super and inheritance by passing it alone as an object?


in the below example I want to know when I should use one of them for inherits? I think both are valid so, why sometimes I have to use super if the other way is workable to work with?

class User:

    def __init__(self):
        self._user = "User A"
        pass

class UserA(User):
    _user = "User B"
    def __init__(self):
        super().__init__()


class UserB(User):
    pass

Solution

  • You are correct, both are valid. The difference is:

    • UserA: you are overwriting the __init__ method of the ancestor. This is practical if you want to add something during the initialization process. However, you still want to initialize the ancestor, and this can be done via super().__init__(), despite having overwritten the __init__ method.
    • UserB: you are fully using the __init__ of the ancestor you are inheriting from (by not overwriting the __init__ method). This can be used if nothing extra needs to be done during initialization.