class Child:
    def func3(self):
        print("this is function three")

class gchild1(Child):
    def func4(self):
        print("this is function four")

class gchild2(Child):
    def func5(self):
        print("this is function five")


gc1 = gchild1()
gc2 = gchild2()

gc1.func3()
gc2.func3()

# Coded by Saahil