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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 xiphias_get_users(self, peer_jids: Union[str, List[str]]):
 """ Calls the new format xiphias message to request user data such as profile creation date and background picture URL. :param peer_jids: one jid, or a list of jids """

        return self._send_xmpp_element(xiphias.UsersRequest(peer_jids))