save project

diy2.py

@@ -5,15 +5,12 @@ 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(self):
+         self.level = self.level+1
+         self.hp = self.hp+50
+         self.attack = self.attack+4
 
-yase = Hero("亚瑟",300,20)
-upgrade()
-upgrade()
-print(yase.hp)
 houyi = Hero("后羿",240,23)
-print(yase.hp)
-print(houyi.hp)
\ No newline at end of file
+print(houyi.level)
+print(houyi.hp)
+print(houyi.attack)
\ No newline at end of file