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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 rgb_color_picker(obj, min_luminance=None, max_luminance=None):
 """Modified version of colour.RGB_color_picker"""

    color_value = int.from_bytes(
        hashlib.md5(str(obj).encode('utf-8')).digest(),
        'little',
    ) % 0xffffff
    color = Color(f'#{color_value:06x}')
    if min_luminance and color.get_luminance() < min_luminance:
        color.set_luminance(min_luminance)
    elif max_luminance and color.get_luminance() > max_luminance:
        color.set_luminance(max_luminance)
    return color