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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 add_params(cls, cmdline_parser):
 """ Shared params in all backends """


        parser = cmdline_parser

        parser.add_argument("-e", "--elastic_url", default="http://127.0.0.1:9200",
                            help="Host with elastic search (default: http://127.0.0.1:9200)")
        parser.add_argument("--elastic_url-enrich",
                            help="Host with elastic search and enriched indexes")