1111.py

class Hero: 
    def __init__(self,name,hp,attack): 
        self.level = 1 
        self.name = name 
        self.hp = hp 
        self.attack = attack 
    def upgrade(self): 
        yase.hp = yase.hp+100 
        yase.level = yase.level+1 
        yase.attack = yase.attack+50 
libai = Hero("李白",200,30) 
yase = Hero("亚瑟",250,20) 
yase.upgrade()
libai.upgrade()  
print(libai.hp) 
# print(yase.hp)