def CreateDeviceGroupPy(topologyObj, deviceGroupName, multiplier):
    print '\nCreateDeviceGroup: %s : %s' % (topologyObj, deviceGroupName)
    deviceGroupObj = ixNet.add(topologyObj, 'deviceGroup')
    ixNet.setMultiAttribute(deviceGroupObj,
                            '-name', deviceGroupName,
                            '-multiplier', multiplier
                        )
    ixNet.commit()
    return deviceGroupObj