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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 match_color_index(self, color):
 """Takes an "R,G,B" string or wx.Color and returns a matching xlwt color. """

        from jcvi.utils.webcolors import color_diff
        if isinstance(color, int):
            return color
        if color:
            if isinstance(color, six.string_types):
                rgb = map(int, color.split(','))
            else:
                rgb = color.Get()
            logging.disable(logging.DEBUG)
            distances = [color_diff(rgb, x) for x in self.xlwt_colors]
            logging.disable(logging.NOTSET)
            result = distances.index(min(distances))
            self.unused_colors.discard(self.xlwt_colors[result])
            return result