auto save

snake.py

@@ -35,7 +35,7 @@ while True:
             if event.key == locals.K_LEFT and setheading != "right":
                 setheading = 'left'
                 snake_head = left
-            if event.key == locals.K_UP and setheading != "down":
+            f event.key == locals.K_UP and setheading != "down":
                 setheading = 'up'
                 snake_head = up
             if event.key == locals.K_DOWN and setheading != "up":
@@ -65,4 +65,4 @@ while True:
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(
\ No newline at end of file