save project

diy2.py

@@ -6,10 +6,9 @@ class Hero:
         self.attack=attack
 yase=Hero('亚瑟',300,20)
 
-def upgrade():
+def upgrade(self):
     yase.level=yase.level+1
     yase.hp=yase.hp+50
     yase.attack=yase.attack+4
 
-upgrade()
-upgrade()
\ No newline at end of file
+yase=Hero("亚瑟",3000)