code: def __init__(self, size):
      self._storage = []
      self._maxsize = size
      self._next_idx = 0
  
imports: import argparse
  import os
  import random
  import time
  import gym
  import matplotlib.pyplot
  import numpy
  import tensorflow
  import tensorlayer
label_desc: Use image node_id 1 to create a new ReplayBuffer object from inherited base classes: object with example: obj = ReplayBuffer(size)