save project

diy2.py

@@ -5,4 +5,9 @@ class Hero:
         self.attack = attack
 
 yase = Hero("亚瑟",300,20)
-houyi = Hero("后羿",250,30)
\ No newline at end of file
+
+
+def upgrade():
+    yase.level=yase.level+1
+    yase.hp=yase.hp+100
+    yase.attack=yase.attack+50