code: def add_peer_parser(subparsers, parent_parser):
      
      parser = subparsers.add_parser(
          'peer',
          help='Displays information about validator peers',
          description="Provides a subcommand to list a validator's peers")
  
      grand_parsers = parser.add_subparsers(title='subcommands',
                                            dest='subcommand')
      grand_parsers.required = True
      add_peer_list_parser(grand_parsers, parent_parser)
docs: Adds argument parser for the peer command
  
          Args:
              subparsers: Add parsers to this subparser object
              parent_parser: The parent argparse.ArgumentParser object