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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 adjust(color, attribute, percent):
 """Adjust an attribute of color by a percent"""

    r, g, b, a, type = parse_color(color)
    r, g, b = hsl_to_rgb(*_adjust(rgb_to_hsl(r, g, b), attribute, percent))
    return unparse_color(r, g, b, a, type)