code: def delete_training_log(self, **kwargs):
          
          self._fill_project_info(kwargs)
          self.db.TrainLog.delete_many(kwargs)
          logging.info("[Database] Delete TrainLog SUCCESS")
docs: Deletes training log.
  
          Parameters
          -----------
          kwargs : logging information
              Find items to delete, leave it empty to delete all log.
  
          Examples
          ---------
          Save training log
          >>> db.save_training_log(accuracy=0.33)
          >>> db.save_training_log(accuracy=0.44)
  
          Delete logs that match the requirement
          >>> db.delete_training_log(accuracy=0.33)
  
          Delete all logs
          >>> db.delete_training_log()