import pygame
import sys

def moving_cleaner(grid_width, grid_height,tile_width,tile_height, x, y):
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            sys.exit()
        if event.type == pygame.KEYDOWN:
            if event.key == pygame.K_LEFT and x>(tile_width / 2):
                x -= tile_width
            if event.key == pygame.K_RIGHT and x<(grid_width-(tile_width / 2)):
                x += tile_width
            if event.key == pygame.K_UP and y>(tile_height / 2):
                y -= tile_height
            if event.key == pygame.K_DOWN and y<(grid_height-(tile_height / 2)):
                y += tile_height
    return(x,y)