code: def file_move(filename, settings):
          
          if len(settings) != 1:
              raise ValueError("Settings must only contain one item with key "
                               "'dest'.")
          for k, v in settings.items():
              if k == "dest":
                  shutil.move(filename, v)
docs: Moves a file. {'_file_move': {'dest': 'new_file_name'}}
  
          Args:
              filename (str): Filename.
              settings (dict): Must be {"dest": path of new file}