python类的继承

#! /usr/bin/python3
# -*-coding:UTF-8-*-

class Anamil(object):
    def run(self):
        print('Animal is running')

    def __eat(self):
        print('私有方法eat，继承的子类不能调用')

class Dog(Anamil):      #继承父类Animal
    pass

class Cat(Anamil):
    def run(self):      #多态
        print('覆盖父类的run方法')

dog_object = Dog()
dog_object.run()    #调用父类的run方法
# dog_object.__eat()    #报错
cat_object = Cat()
cat_object.run()