auto save

diy2.py

@@ -4,9 +4,21 @@ class Hero:
         self.name=name
         self.hp=hp
         self.attack=attack
-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
+
+    def upgrade(self):
+        self.level = self.level +1
+        self.hp = self.hp + 100
+        self.attack = self.attack + 1000
+
+yase=Hero('亚瑟',300,20)
+hy=Hero('后羿',250,23)
+k=Hero('铠',5600,199)
+
+yase.upgrade()
+hy.upgrade()
+
+print(yase.name,yase.hp,yase.attack)
+
+print(hy.name,hy.hp,hy.attack)
+
+print(k.name,k.hp,k.attack)
\ No newline at end of file