code: def get_all_load_balancers(self, load_balancer_names=None):
          
          params = {}
          if load_balancer_names:
              self.build_list_params(params, load_balancer_names,
                                     'LoadBalancerNames.member.%d')
          return self.get_list('DescribeLoadBalancers', params,
                               [('member', LoadBalancer)])
docs: Retrieve all load balancers associated with your account.
  
          :type load_balancer_names: list
          :keyword load_balancer_names: An optional list of load balancer names.
  
          :rtype: :py:class:`boto.resultset.ResultSet`
          :return: A ResultSet containing instances of
              :class:`boto.ec2.elb.loadbalancer.LoadBalancer`