code: def save_agent_replay_buffer(
      agent, t, outdir, suffix="", logger=None
  ):
      logger = logger or logging.getLogger(__name__)
      filename = os.path.join(
          outdir, "{}{}.replay.pkl".format(t, suffix)
      )
      agent.replay_buffer.save(filename)
      logger.info("Saved the current replay buffer to %s", filename)
  
file_path: chainerrl/chainerrl/experiments/train_agent.py
imports: import logging
  import os
  from chainerrl.experiments.evaluator import Evaluator
  from chainerrl.experiments.evaluator import save_agent
  from chainerrl.misc.ask_yes_no import ask_yes_no
label_desc: Use image node_id 1 for calling a global function with example usage: save_agent_replay_buffer(agent, t, outdir, suffix, logger) without return types