save project

my_game.py

@@ -56,7 +56,7 @@ a=0
 speed=8
 old_score=0
 while True:
-    speed=8+score//3
+    speed=8+a//3
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序