save project

diy.py

@@ -3,7 +3,15 @@ class Hero:
         self.level=1
         self.hp=300
         self.attack=20
+    def upgrade(self):
+        self.level=self.level+1
+        self.hp=self.hp+100
+        self.attack=self.attack+4
 
 yase=Hero("亚瑟",300,523)
 houyi=Hero("后羿",240,645)
-print(yase.level)
\ No newline at end of file
+print(yase.level)
+
+
+houyi.upgrade()
+print(houyi.hp)
\ No newline at end of file