diy.py

class hero():
    def __init__(self,name,level,hp,attack):
        self.level=level
        self.hp=hp
        self.attack=attack
def upgrade():
    yase.level=yase.level+2
    yase.hp=yase.hp+50
    yase.attack=yase.attack+5
yase=hero('亚瑟',5,500,2)
print('亚瑟的攻击',yase.attack)
upgrade()
upgrade()
print('升级2次后，输出亚瑟的血量：',yase.hp)