save project

diy2.py

 class Hero:
     def __init__(self,name,hp,attack):
+        self.level = 1
         self.name = name
         self.hp = hp
         self.attack = attack
@@ -10,7 +11,7 @@ hoyi=Hero("后羿,250,23")
 def upgrade():
     yase.level+=1
     yase.hp+=50
-    yase.height+=4
+    yase.attack+=4
 upgrade()
 upgrade()  
 print(yase.hp)
\ No newline at end of file