save project

diy.py

@@ -5,9 +5,9 @@ class hero:
         self.hp=hp
         self.attack=attack
     def upgrade(self):
-        self.level=yase.level+1
-        self.hp=yase.hp+50
-        slef.attack=yase.attack+4
+        self.level=self.level+1
+        self.hp=self.hp+50
+        slef.attack=self.attack+4
 houyi=hero("后羿",240,23)
 houyi.upgrsde()
 print("等级为：",houyi.level)