code: def make(parser):
      
  
      action = parser.add_mutually_exclusive_group()
  
      action.add_argument(
          '--install',
          metavar='PKG(s)',
          help='Comma-separated package(s) to install',
      )
  
      action.add_argument(
          '--remove',
          metavar='PKG(s)',
          help='Comma-separated package(s) to remove',
      )
  
      parser.add_argument(
          'hosts',
          nargs='+',
      )
  
      parser.set_defaults(
          func=pkg,
      )
docs: Manage packages on remote hosts.