save project

snake.py

@@ -30,4 +30,14 @@ while True:
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.updade()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(3)
+for event in pygame.event.get()
+ if event.type == locals.KEYDOWN:
+     if event.key == locals.K_RIGHT and setheading !="left":
+         setheading ='left'
+     if event.key == locals.K_LEFT and setheading !=:"right"
+         setheading ='right'
+     if event.key == locals.Kand setheading !="left":
+         setheading ='right'
+     if event.key == locals.K_RIGHT and setheading !="left":
+         setheading ='right'
\ No newline at end of file