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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 rel_path(self, uuid):
 # type: (UUID) -> Path """Contruct relative path from repository top directory to the file named after this uuid. :param:uuid: :class:`UUID` instance """

        _assert_uuid(uuid)
        filename = str(uuid)
        return Path(filename[0:2], filename[2:4], filename)