code: def put(self, value, priority=100):
          
          task_name = '{}{:03d}_{}'.format(self.TASK_PREFIX, priority, self._counter)
          path = posixpath.join(self._queue_path, task_name)
          self._client.kv[path] = value
docs: Put a task into the queue.
  
          Args:
              value (str): Task data.
              priority (int): An optional priority as an integer with at most 3 digits.
                  Lower values signify higher priority.