save project

dit.py

 class hero:
     def __init__(self,name,hp,attack):
+        self.level=1
         self.name=name
         self.hp=hp
         self.attack=attack
+    def upgrade(self):
+        self.level+=1
+        self.hp+=50
+        self.attack+=4
 machao=hero("马超",400,200)
 guanyu=hero("关羽",800,100)
+guanyu.upgrade()
 print(machao.hp)
 print(guanyu.attack)