# -*- coding:utf-8 -*-
class Animal:
    def __init__(self):
        print('执行Animal.__init__')
        self.func()  #Dog.func(self)
    def eat(self):
        print('%s eating'%self.name)
    def drink(self):
        print(('%s drinking'%self.name))
    def func(self):
        print('Animal.func')
class Dog(Animal):
    def guard(self):
        print('guarding')
    def func(self):
        print('Dog.func')
dog = Dog()