code: def main(argv):
      
      import argparse
      description = 'Uses Open Tree of Life web services to find information for each OTT ID.'
      parser = argparse.ArgumentParser(prog='ot-taxon-info', description=description)
      parser.add_argument('ids', nargs='+', type=int, help='OTT IDs')
      args = parser.parse_args(argv)
      id_list = args.ids
      for ott_id in id_list:
          fetch_and_write_taxon_subtree(ott_id, sys.stdout)
docs: This function sets up a command-line option parser and then calls match_and_print
      to do all of the real work.