继承和单继承

#狗 吃 喝 拉撒 游泳
#鸟 吃 喝 拉撒 下单
# class Animal:
#     def __init__(self):
#         print("执行Animal__init__")
#         self.func()
#     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()

# class A:
#     pass
# class B:
#     pass
# class A_son(A,B):
#     pass
# class AB_son(A):
#     pass
# print(A.__bases__)
# print(B.__bases__)
# print(AB_son.__bases__)
# print(A_son.__bases__)
# class Animal:
#     def __init__(self, name ,hp ,aggr):
#         self .name=name
#         self.blood =hp
#         self.aggr=aggr
# class Dog(Animal):
#     def bite(self,person):
#         person.hp-=self.aggr
#
# class Person(Animal):
#     pass
# jin=Dog("金",200,500)
# print(jin.name)

#单继承super
class Animal:
    def __init__(self, name ,hp ,aggr):
        self .name=name
        self.blood =hp
        self.aggr=aggr
    def eat(self):
        print("吃药回血")
class Dog(Animal):
    def __init__(self, name ,hp ,aggr,kind):
        super().__init__( name ,hp ,aggr)#super只在新式类中有，python3中所有的类都是新式类
        self.kind=kind

    def bite(self,person):
        person.hp-=self.aggr
    def eat(self):
        print("你今天真好看")

class Person(Animal):
    pass
jin=Dog("金老板",200,500,"teedy")
print(jin.name)
jin.eat()
super(Dog,jin).eat()#传一个类，传一个对象，不仅可以在类的内部使用，也可以在类的外部使用，如果在外部的话，需要传入类和对象