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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 cli(env, identifier, allocation, port, routing_type, routing_method):
 """Adds a new load_balancer service."""


    mgr = SoftLayer.LoadBalancerManager(env.client)

    _, loadbal_id = loadbal.parse_id(identifier)

    mgr.add_service_group(loadbal_id,
                          allocation=allocation,
                          port=port,
                          routing_type=routing_type,
                          routing_method=routing_method)

    env.fout('Load balancer service group is being added!')