code: def trial_kill(args):
      '''List trial'''
      nni_config = Config(get_config_filename(args))
      rest_port = nni_config.get_config('restServerPort')
      rest_pid = nni_config.get_config('restServerPid')
      if not detect_process(rest_pid):
          print_error('Experiment is not running...')
          return
      running, _ = check_rest_server_quick(rest_port)
      if running:
          response = rest_delete(trial_job_id_url(rest_port, args.id), REST_TIME_OUT)
          if response and check_response(response):
              print(response.text)
          else:
              print_error('Kill trial job failed...')
      else:
          print_error('Restful server is not running...'f trial_kill(args):
      '''List trial'''
      nni_config = Config(get_config_filename(args))
      rest_port = nni_config.get_config('restServerPort')
      rest_pid = nni_config.get_config('restServerPid')
      if not detect_process(rest_pid):
          print_error('Experiment is not running...')
          return
      running, _ = check_rest_server_quick(rest_port)
      if running:
          response = rest_delete(trial_job_id_url(rest_port, args.id), REST_TIME_OUT)
          if response and check_response(response):
              print(response.text)
          else:
              print_error('Kill trial job failed...')
      else:
          print_error('Restful server is not running...')
docs: List trial