auto save

diy2.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+4
+houyi=Hero("后羿",300,20)
+print("后羿的初始等级为",houyi.level,"后羿的初始血量为",houyi.hp,"后羿的初始伤害为",houyi.attack)
+houyi.upgrade()
+houyi.upgrade()
+print("后羿的等级为",houyi.level,"后羿的血量为",houyi.hp,"后羿的伤害为",houyi.attack)
+