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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 arbiters(self):
 """return list of arbiters"""

        return [
            {
                "_id": self.host2id(member),
                "host": member,
                "server_id": self._servers.host_to_server_id(member)
            }
            for member in self.get_members_in_state(7)
        ]