save project

diy2.py

@@ -4,14 +4,13 @@ class Hero:
         self.hp = hp
         self.attack = attack
         self.name = name
-def upgrade():
-        yase.level=yase.level+1
-        yase.hp=yase.hp+50
-        yase.attack+yase.attack+4
+    def upgrade(self):
+        self.level=self.level+1
+        self.hp=self.hp+50
+        self.attack=self.attack+4
 yase=Hero("亚瑟",300,20)
 houyi=Hero("后羿",250,23)
 print("亚瑟的血量是：",yase.hp)
 print("后羿的血量是：",houyi.hp)
-upgrade()
-upgrade()
-print("亚瑟的血量是：",yase.hp)
\ No newline at end of file
+houyi.upgrade()
+print("后羿的血量是：",houyi.hp)
\ No newline at end of file