auto save

diy2.py

@@ -4,9 +4,15 @@ class Hero:
         self.name=name
         self.hp=hp
         self.attack=attack
+
+    def upgrade():
+        self.level=yase.level+1
+        self.hp=yase.hp+50
+        self.attack= yase.attack+4
 yase=Hero('yase',300,20)
-hy=Hero('hy',250,23)
-k=Hero('K',5600,199)
-print(yase.attack)
-print(hy.attack)
-print(k.attack)
\ No newline at end of file
+print(yase.hp)
+upgrade()
+upgrade()    
+print("调用2次后等级为",yase.level)
+print("调用2次后血量为",yase.hp)
+print("调用2次后攻击力为",yase.attack)