save project

diy.py

@@ -3,14 +3,14 @@ class Hero:
         self.leve1 = 1
         self.hp = 300
         self.attack
-
+    
 yuyi = Hero("禹亦",250,250)
 pp = Hero("屁屁"，300，300)
 print("禹亦的攻击力是："，yuyi.attack)
 print("屁屁的攻击力是："pp.attack)
 
 
-def upgrade():
+def upgrade(self):
     yuyi.level = yuyi.level + 1
     yuyi.hp = yuyi.hp + 50
     yuyi.attack = yuyi.attack + 4