save project

snake.py

@@ -65,4 +65,9 @@ while True:
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
-    FPSCLOCK.tick(3)
+    FPSCLOCK.tick(3)
\ No newline at end of file
+    if x == apple_x and y == apple_y
+        apple_x = random.randint(0, 660)
+        apple_y = random.randint(0, 480)
+
+    position.pop(0)
\ No newline at end of file