class Dog(object):
    def __init__(self,name):
        self.name = name
    def game(self):
        print("%s 奔奔跳跳玩耍" % self.name)


class XiaoTianQuan(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 = XiaoTianQuan("小黑")
#2.创建一个小明对象
xiaoming = Person("小明")
#3.让小明调用和狗玩耍的方法
xiaoming.game_with_dog(wangcai)