save project

diy2.py

@@ -4,7 +4,12 @@ class Hero:
         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
+
 yase=Hero('亚瑟',300,20)
 houyi=Hero('后羿',240,23)
+yase.upgrade()
 print('亚瑟的血量为：',yase.hp)
-print('后羿的血量为：',houyi.hp)