code: def set_save_itrs_root(setting):
      
      setting = bool(setting)
      f.root.times.save_itrs = setting
      return setting
docs: Adjust the root timer save_itrs setting, such as for use in
      multiprocessing, when a root timer may become a parallel subdivision (see
      subdivide()).
  
      Args:
          setting (bool): Save individual iterations data, passed through bool()
  
      Returns:
          bool: Implemented setting value.