diy2.py

class Hero:
    def __init__(self,name,hp,attack):
        self.level = 1
        self.name = name
        self.hp = hp
        self.attack = attack
yase = Hero("亚瑟",280,26)
houyi = Hero("后羿",310,32)
def up():
    yase.level += 1
    yase.hp += 50
    yase.attack += 4

up()
up()
print(yase.hp)