class First:

    def __init__(self):
        pass

    def say(self):
        print("First")


class Second:

    def __init__(self):
        pass

    def say(self):
        print("Second")


class Test(First, Second):

    def __init__(self):
        pass

    def say(self):
        super(Second, self).say()


t = Test()
t.say()