super()函数

node2:/tmp#cat s1.py 
class Moster():
    def __init__(self,hp=100):
        self.hp=hp
    def run(self):
        print('aaaaaaaaaa')
class animals(Moster):
    def __init__(self,hp=89):
        super().__init__(hp)
        #pass
x=animals(80)
print(x.run())
print(x.hp)
node2:/tmp#python3 s1.py 
aaaaaaaaaa
None
80


父类中初始化了某些属性,子类不需要重复初始化