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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 desaturate(color, prop):
 """Decrease the saturation channel of a color by some percent. Parameters color : matplotlib color hex, rgb-tuple, or html color name prop : float saturation channel of color will be multiplied by this value Returns ------- new_color : rgb tuple desaturated color code in RGB tuple representation """

    # Check inputs
    if not 0 <= prop <= 1:
        raise ValueError("prop must be between 0 and 1")

    # Get rgb tuple rep
    rgb = mplcol.colorConverter.to_rgb(color)

    # Convert to hls
    h, l, s = colorsys.rgb_to_hls(*rgb)

    # Desaturate the saturation channel
    s *= prop

    # Convert back to rgb
    new_color = colorsys.hls_to_rgb(h, l, s)

    return new_color