save project

diy2.py

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