save project

diy2.py

@@ -9,12 +9,14 @@ houyi = Hero('后羿',240,30)
 print("垭瑟",yase.hp)
 print("后羿",yase.hp)
 
-def upgrade(self):
+def upgrade():
     yase.levei=yase.levei+1
     yase.hp=yase.hp+50
-    yase.attack=yase.attack
+    yase.attack=yase.attack+4
+upgrade()
+print(yase.levei)
+
 
-yase  = Hero("")