Python inheritance

inheritance.py

class Base(object):
    def __init__(self, foo='foo_text', bar='bar_text'):
        self.foo = foo
        self.bar = bar


class Child(Base):
    def __init__(self, extra='extra_text', *arg, **kwargs):
        self.extra = extra
        super(Child, self).__init__(*arg, **kwargs)


class OtherChild(Base):
    def __init__(self, foo='OtherChild preset', *arg, **kwargs):
        foo_value = foo.upper()
        super(OtherChild, self).__init__(foo=foo_value, *arg, **kwargs)


if __name__ == '__main__':
    c = OtherChild()
    print(c.__dict__)

    def myfunc(*args, **kwargs):
        print(args, kwargs)

    myfunc('arg1', arg2='arg2')