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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 files_mv(self, source, dest, **kwargs):
 """Moves files and directories within the MFS. .. code-block:: python b'' Parameters source : str Existing filepath within the MFS dest : str Destination to which the file will be moved in the MFS """

        args = (source, dest)
        return self._client.request('/files/mv', args, **kwargs)