auto save

diy.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 = self.level+1
+        self.hp = self.hp+50
+        self.attack = self.attack+5
+
+yase = Hero("亚瑟",300,20)
+houyi = Hero("后裔",240,30)
+print(yase.name)
+print(houyi.name)
+yase.upgrade()
+print(yase.level)