class Dog(object):
    def __init__(self, name):
        self.name = name

    def game(self):
        print("%s 蹦蹦跳跳的玩耍..." % self.name)

class XiaoTianDog(Dog):
    def game(self):
        print("%s 飞到天上去玩耍..." % self.name)

class Person(object):

    def __init__(self, name):
        self.name = name

    def game_with_dog(self, dog):

        print("%s 和 %s 快乐的玩耍..." % (self.name, dog.name))

        # 让狗玩耍
        dog.game()


# 1.创建一个狗对象
# wangcai = Dog("旺财")
wangcai = XiaoTianDog("飞天旺财")

# 2.创建一个小明对象
xiaoming = Person("小明")

# 3.让小明调用和狗玩的方法
xiaoming.game_with_dog(wangcai)
