'Gets a single load balancer
:param lb_id: ID of the load balancer
:rtype: ``str``
:return: Instance of load balancer
:rtype: ``dict``'

def ex_get_load_balancer(self, lb_id):

    response = self.connection.request(action=('load_balancers/%s' % lb_id), method='GET')
    return response.object
