auto save

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",300,20)
+houyi=Hero("后羿",250,23)
+print("姓名：",yase.name)
+print("血量：",yase.hp)
+print("攻击力：",yase.attack)
+print("姓名：",houyi.name)
+print("血量：",houyi.hp)
+print("攻击力：",houyi..attack)
+    def upgrade():
+        self.level+=1
+        self.hp+=300
+        self.attack+=50
+upgrade()
+upgrade()
+print("攻击力：",self.hp)
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