auto save

diy2.py

+class Hero:
+    def __init__(self,name,hp,attack):
+        self.level=1
+        self.name=name
+        self.hp=hp
+        self.attack=attack
+#yeas=Hero("亚瑟",300,20)
+#houyi=Hero("后羿",240,23)
+#print("亚瑟血量为:",yeas.hp)
+#print("后羿血量为:",houyi.hp)
+
+    def upgrade(self):
+        self.level=self.level+1
+        self.hp=self.hp+50
+        self.attack=self.attack+4
+#upgrade()
+#upgrade()
+yase=Hero("亚瑟",200,30)
+yase.upgrade()
+print("等级为",yase.level)
+print("血量为",yase.hp)
+print("攻击力为",yase.attack)
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