save project

diy2.py

@@ -5,11 +5,11 @@ class Hero:
         self.hp = hp
         self.attack = attack
     def upgrade(self):
-        self.level=level+1
-        self.hp=hp=50
-        self.attack=attack+4
+        self.level=self.level+1
+        self.hp=self.hp=50
+        self.attack=self.attack+4
 houyi = Hero("后裔",240,23)
 houyi.upgrade()
-print("等级为：",houyi.levle)
+print("等级为：",houyi.level)
 print("血量为：",houyi.hp)
 print("攻击力为：",houyi.attack)