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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_server_model(snmp_client):
 """Get server model of the node. :param snmp_client: an SNMP client object. :raises: SNMPFailure if SNMP operation failed. :returns: a string of server model. """


    try:
        server_model = snmp_client.get(SERVER_MODEL_OID)
        return six.text_type(server_model)
    except SNMPFailure as e:
        raise SNMPServerModelFailure(
            SNMP_FAILURE_MSG % ("GET SERVER MODEL", e))