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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 get(cls, user_id, client_id):
 """Get RemoteAccount object for user. :param user_id: User id :param client_id: Client id. :returns: A :class:`invenio_oauthclient.models.RemoteAccount` instance. """

        return cls.query.filter_by(
            user_id=user_id,
            client_id=client_id,
        ).first()