auto save

diy.py

+class Hero():
+    def __init__(self,name,hp,attack):
+        self.level=1
+        self.hp=hp
+        self.name=name
+        self.attack=attack
+    def levelup(self):
+        self.level=self.level+1
+        self.hp=self.hp+100
+        self.attack=self.attack+10
+yase=Hero("亚瑟",300,30)
+houyi=Hero("后羿",250,40) 
+print(yase.hp)
+print(houyi.attack)
+yase.levelup()
+houyi.levelup() 
+print(yase.hp)
+print(houyi.attack)
+print(yase.level)
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