auto save

diy2.py

@@ -4,10 +4,10 @@ class Hero:
         self.name = name
         self.hp = hp 
         self.attack = attack
-    def upgrade():
-        name.level = name.level+1
-        name.hp =  name.hp+50
-        name.attack = name.attack+4
+def upgrade():
+    yase.level = yase.level+1
+    yase.hp =   yase.hp+50
+    yase.attack = yase.attack+4
 yase = Hero("亚瑟",300,20)
 
 print("亚瑟的血量为",yase.hp)