code: def add(self, episode_experience):
      self.buffer.append(episode_experience)
  
file_path: PARL/benchmark/fluid/QMIX/replay_buffer.py
imports: from collections import deque
  import numpy
  import random
label_desc: Use image node_id 2 for calling the EpisodeReplayBuffer obj's underlying member method code with example usage: obj.add(episode_experience) without return types