auto save

diy.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 + 5
+
+lijunyi = Hero('李俊颐',2,100)
+lijunyi.upgrade()
+print(lijunyi.hp)
+
+huangenze = Hero('黄恩泽',1,1)
+huangenze.upgrade()
+print(huangenze.hp)
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