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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 set_torrent_download_limit(self, infohash_list, limit):
 """ Set download speed limit of the supplied torrents. :param infohash_list: Single or list() of infohashes. :param limit: Speed limit in bytes. """

        data = self._process_infohash_list(infohash_list)
        data.update({'limit': limit})
        return self._post('command/setTorrentsDlLimit', data=data)