auto save

diy2.py

+class Hero():
+    def __init__(self,hp):
+        self.level = 1
+        self.hp = hp
+        self.attack = 20
+    def upgrade(self):
+        self.level = self.level + 1
+        self.hp = self.hp + 20
+        self.attack = self.attack + 1
+    
+
+yase = Hero(100)#yase是具体的对象
+wuko = Hero(200)#wuko 是具体的对象
+yase.upgrade()
+wuko.upgrade()