save project

a.py

@@ -4,10 +4,10 @@ class Hero:
         self.name= name
         self.hp= hp
         self.attack= attack
-    def upgrade(self):
-        self.level1=self.level1+1
-        self.hp=self.hp+50
-        self.attack=self.attack+4
+    def upgrade():
+        yase.level1=yase.level1+1
+        yase.hp=yase.hp+50
+        yase.attack=yase.attack+4
 
 yase = Hero("亚瑟"，300，20)
 print("亚瑟的血量为",yase.hp)