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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def gen_colors(img):
 """Format the output from imagemagick into a list of hex colors."""

    magick_command = has_im()

    for i in range(0, 20, 1):
        raw_colors = imagemagick(16 + i, img, magick_command)

        if len(raw_colors) > 16:
            break

        elif i == 19:
            logging.error("Imagemagick couldn't generate a suitable palette.")
            sys.exit(1)

        else:
            logging.warning("Imagemagick couldn't generate a palette.")
            logging.warning("Trying a larger palette size %s", 16 + i)

    return [re.search("#.{6}", str(col)).group(0) for col in raw_colors[1:]]