save project

diy2.py

 class hero:
     def __init__(self,name,hp,attack):
+        self.level=1
         self.name=name
         self.hp=hp
         self.attack=attack
-yase=hero("亚瑟","300","20"):
+yase=hero("亚瑟","300","20")
 houyi=hero("后羿","250","23")
+def upgrade():
+    yase.level=yase.level+1
+    yase.hp=yase.hp+50
+    yase.attack=yase.attack+4