# -*- coding: utf-8 -*-

class Animal(object):
    def run(self):
        print("Animal run")

class Dog(Animal):
    def run(self):
        print("Dog run")

class Cat(Animal):
    def run(self):
        print("Cat run")

class Dc(Dog,Cat):#继承列表有先后顺序
    def run1(self):
        self.run() #继承自Dog的run方法
    def run2(self):
        super().run()#super()指向了优先级最高的Dog的run方法
    def run3(self):
        Cat.run(self)#通过类名直接调用，已脱离继承的范畴
    def run4(self):#整活性质
        super(Dog, self).run()#表示在继承链中查找Dog下一个类的run()方法,也就是Cat
        super(Cat, self).run()#同上，Cat后是Animal

dc1 = Dc()

dc1.run() #Dog run
dc1.run1() #Dog run
dc1.run2() #Dog run
dc1.run3() #Cat run
dc1.run4() #Cat run\n Animal run

#得出继承查找顺序：Dc>Dog>Cat>Animal