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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 epilog(self):
 """Return text formatted for the usage description's epilog."""


        bold = '\033[1m'
        end = '\033[0m'
        available = self.available.copy()
        index = available.index(Config.DOWNLOADER_DEFAULT)
        available[index] = bold + '(' + available[index] + ')' + end
        formatted = '  |  '.join(available)
        return 'Downloaders available: ' + formatted