code: def add_config_parser(subparsers, parent_parser):
      
      parser = subparsers.add_parser(
          'config',
          help='Changes genesis block settings and create, view, and '
          'vote on settings proposals',
          description='Provides subcommands to change genesis block settings '
                      'and to view, create, and vote on existing proposals.'
      )
  
      config_parsers = parser.add_subparsers(title="subcommands",
                                             dest="subcommand")
      config_parsers.required = True
docs: Creates the arg parsers needed for the config command and
      its subcommands.