Applies security groups to the load balancer.
        Applying security groups that are already registered with the 
        Load Balancer has no effect.

        :type name: string
        :param name: The name of the Load Balancer

        :type security_groups: List of strings
        :param security_groups: The name of the security group(s) to add.

        :rtype: List of strings
        :return: An updated list of security groups for this Load Balancer.

def apply_security_groups_to_lb(self, name, security_groups):
        """
        Applies security groups to the load balancer.
        Applying security groups that are already registered with the 
        Load Balancer has no effect.

        :type name: string
        :param name: The name of the Load Balancer

        :type security_groups: List of strings
        :param security_groups: The name of the security group(s) to add.

        :rtype: List of strings
        :return: An updated list of security groups for this Load Balancer.

        """
        params = {'LoadBalancerName' : name}
        self.build_list_params(params, security_groups, 
                               'SecurityGroups.member.%d')
        return self.get_list('ApplySecurityGroupsToLoadBalancer', 
                             params,
                             None)