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王馨雅

snake_list = [[400,400],[420,400],[440,400],[460,400],[480,100]]
for position in snake_list:
    print(position)

if event.type==pygame.KEYDOWN:
    if event .key == pygame.K_UP:
        direction = 'up'
    if event .key == pygame.K_DOWN:
        direction = 'down'
    if event .key == pygame.K_LEFT:
        direction = 'left'
    if event .key == pygame.K_RIGHT:
        direction = 'right'

if direction == 'up':
    head_x = snake_list[0][0]
    head_y = snake_list[0][1] - 20
    head = [head_x, head_y]
    snake_list. insert(0,head)