auto save

diy2.py

-class Hero:
-    def __init__(self,name,hp,attack):
-        self.level=1
-        self.name=name
-        self.hp=hp
-        self.attack=attack
-    def upgrade(self):
-        self.level+=1
-        self.hp+=50
-        self.attack+=4
-yase=Hero("亚瑟",300,20)
-print("亚瑟的血量是：",yase.hp)
-yase.upgrade()
-yase.upgrade()
-yase.upgrade()
-print("亚瑟的血量是：",yase.hp)
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