auto save

diy.py

 class Hero:
-    def __init__(self):
-        self.level = 1 
-        self.hp= 300     
-        self.attack= 20     # attack：攻击
+    def __init__(self, name, hp, attack):
+        self.level = 1
+        self.name = name      # name:名字
+        self.hp= hp
+        self.attack= attack     # attack：攻击
+        
+    def upgrade(self):
+        self.level=self.level+1
+        self.hp = self.hp + 50
+        self.attack = self.attack + 4
 
-yase = Hero()
-print("yase的血量值为：",yase.hp)
-print("yase的攻击力为：",yase.attack)
+houyi = Hero("后羿",240,23)
+houyi.upgrade()
+print("等级为：",houyi.level)
+print("血量为：",houyi.hp)
+print("攻击力为：",houyi.attack)