code: def napalm_configure(
      task: Task,
      dry_run: Optional[bool] = None,
      filename: Optional[str] = None,
      configuration: Optional[str] = None,
      replace: bool = False,
  ) -> Result:
      
      device = task.host.get_connection("napalm", task.nornir.config)
  
      if replace:
          device.load_replace_candidate(filename=filename, config=configuration)
      else:
          device.load_merge_candidate(filename=filename, config=configuration)
      diff = device.compare_config()
  
      dry_run = task.is_dry_run(dry_run)
      if not dry_run and diff:
          device.commit_config()
      else:
          device.discard_config()
      return Result(host=task.host, diff=diff, changed=len(diff) > 0)
docs: Loads configuration into a network devices using napalm
  
      Arguments:
          dry_run: Whether to apply changes or not
          filename: filename containing the configuration to load into the device
          configuration: configuration to load into the device
          replace: whether to replace or merge the configuration
  
      Returns:
          Result object with the following attributes set:
            * changed (``bool``): whether the task is changing the system or not
            * diff (``string``): change in the system