code: def save_validation_log(self, **kwargs):
          
  
          self._fill_project_info(kwargs)
          kwargs.update({'time': datetime.utcnow()})
          _result = self.db.ValidLog.insert_one(kwargs)
          _log = self._print_dict(kwargs)
          logging.info("[Database] valid log: " + _log)
docs: Saves the validation log, timestamp will be added automatically.
  
          Parameters
          -----------
          kwargs : logging information
              Events, such as accuracy, loss, step number and etc.
  
          Examples
          ---------
          >>> db.save_validation_log(accuracy=0.33, loss=0.98)