auto save

diy.py

+class Hero:
+    def __init__(self,name,hp,attack):
+        self.name=name
+        self.hp=hp
+        self.attack=attack
+        self.lever=1
+    def upgrade(self):
+        self.lever=self.lever+1
+        self.hp=self.hp+50
+        self.attack=self.attack+50
+zhazhahui=Hero("渣渣辉",999,999)
+hongming=Hero("红名",888,888)
+zhazhahui.upgrade()
+print(zhazhahui.hp)
+print(hongming.hp)
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