auto save

diy2.py

@@ -4,5 +4,11 @@ class Hero:
         self.name = name
         self.name = name
         self.hp = hp
         self.hp = hp
         self.attack = attack
         self.attack = attack
+    def upgrade(self):
+        self.level += 1
+        self.hp +=100
+        self.attack +=20
 yase = Hero("哦",300,20)
 yase = Hero("哦",300,20)
 houyi = Hero("快到",240,23)
 houyi = Hero("快到",240,23)
+yase.upgrade()
+print(yase.attack)