code: def sync(net, net_tar):
      """Copy q network to target q network"""
      for var, var_tar in zip(
          net.trainable_weights, net_tar.trainable_weights
      ):
          var_tar.assign(var)
  
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 2 for calling a global function with example usage: sync(net, net_tar) without return types