save project

12.py

@@ -5,15 +5,15 @@ 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()
+yase.upgrade()
 print(yase.hp)
-upgrade()
+yase.upgrade()
 print(yase.hp)