<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def tile_to_pixel(tile, centered=False):
 """Transform tile to pixel coordinates"""

        pixel = [tile[0] * 256, tile[1] * 256]
        if centered:
            # should clip on max map size
            pixel = [pix + 128 for pix in pixel]
        return pixel[0], pixel[1]