# coding:utf-8
        """
        Polymorphism gives you the ability to represent objects of different types using a single interface.
        """
        #この例題では、演算子+は変数型が異なった数値型と文字列型に対応できる。

        x = 123
        y = 25
        print(x+y)

        a = "Good"
        b = "morning"
        print(a + " " + b + "!")