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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 multi_get(self, conn, *keys):
 """Takes a list of keys and returns a list of values. :param keys: ``list`` keys for the item being fetched. :return: ``list`` of values for the specified keys. :raises:``ValidationException``, ``ClientException``, and socket errors """

        values, _ = yield from self._multi_get(conn, *keys)
        return tuple(values.get(key) for key in keys)