auto save

diy2.py

@@ -5,13 +5,13 @@ class Hero:
         self.hp = hp
         self.attack = attack
     def upgrade(self):
-       self.level= level+1
-        self.hp=.hp+50
-        self.attack=.attack+4
+        self.level=self.level+1
+        self.hp=self.hp+50
+        self.attack=self.attack+4
 yase = Hero("亚瑟",300,20)
+yase.upgrade()
 print("亚瑟的血量为:",yase.hp)
-upgrade()
-print("亚瑟的血量为:",yase.hp)
+