save project

diy2.py

@@ -5,10 +5,10 @@ class Hero:
         self.hp=hp
         self.attack=attack
 
-def upgrade():
-    yase.level=yase.level+1
-    yase.hp=yase.hp+50
-    yase.attack=yase.attack+4
+def upgrade(seif):
+    seif.level=seif.level+1
+    seif.hp=seif.hp+50
+    seif.attack=seif.attack+4
 
 yase=Hero("垭瑟",300,20)
 print("垭瑟的初始血量值为："，yase.hp)