auto save

233.py

+class Hero:
+    def __init__(self,name):
+        self.level=1
+        self.name=name
+        self.hp=800
+        self.attack=360
\ No newline at end of file

diy.py

+class Hero:
+    def __init__(self,name,level,hp,attack):
+        self.level=level
+        self.name=name
+        self.hp=hp
+        self.attack=attack
+# guanyu=Hero('guanyu',1,360,180)
+# zhaoyun=Hero('zhaoyun',1,500,100)
+    def upgrade(self):
+        self.level=self.level+1
+        self.hp=self.hp+180
+        self.attack=self.attack+80
+guanyu=Hero('guanyu',1,800,360)
+guanyu.upgrade()
+print('guanyuisattack:',guanyu.attack)
+print('guanyuishp:',guanyu.hp)
+print('guanyuislevel:',guanyu.level) 
\ No newline at end of file