多态

#-*-coding:utf-8-*-
__author__ = "logan.xu"

#同一种接口，多种实现
#作用：为了实现接口的重用


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

    def talk(self):
        pass

    @staticmethod
    def aniaml_talk(obj):
        obj.talk()

class Cat(Animal):
    def talk(self):
        print("Meow!Meow!")

class Dog(Animal):
    def talk(self):
        print("Woof!Woof!")

#实例化

d = Dog("it's a dog")
#d.talk()

c = Cat("it's a cat ")
#c.talk()

Animal.aniaml_talk(c)
Animal.aniaml_talk(d)


>>>>>>>>>>>>>>>>>>>>>

Meow!Meow!
Woof!Woof!