auto save

diy.py

+class Hero:
+    def __init__(self,name,hp,attack):
+        self.level=1
+        self.name=name
+        self.hp=hp
+        self.attack=attack
+
+yuji=Hero('虞姬',300,20)
+def upgrade(self):
+    self.level=self.level+1
+    self.hp=self.hp+50
+    self.attack=self.attack+3
+yuji=Hero('虞姬',300,20)
+houyi=Hero('后羿',100,50)
+yuji.upgrade()
+print('虞姬的血量是',yuji.hp)
+