class OOOO:
    def __init__(self, params):
        self._params = params
    def K(self):
        pass
    def L(self, f, G):
        f(G)


class OOO(OOOO):
    def __init__(self, params):
        super().__init__(params)
    def J(self):
        pass


class OO(OOO):
    def __init__(self, params):
        super().__init__(params)
    def I(self):
        pass


class O(OO):
    def __init__(self, params):
        super().__init__(params)
    def H(self):
        print(self._params)
class P:
    def __init__(self, params):
        Pasmo = [O(params), OOOO(None)]
        Pasmo[1].L(lambda obj: obj.H(), Pasmo[0])
A = P("Hello")