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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, billing_id, datacenter):
 """Adds a load balancer given the id returned from create-options."""

    mgr = SoftLayer.LoadBalancerManager(env.client)

    if not formatting.confirm("This action will incur charges on your "
                              "account. Continue?"):
        raise exceptions.CLIAbort('Aborted.')
    mgr.add_local_lb(billing_id, datacenter=datacenter)
    env.fout("Load balancer is being created!")