docstr: hard-copy update for initializing target networks 
docstr_tok: ["hard-copy","update","for","initializing","target","networks"]
code: def target_ini(self, net, target_net):
      """hard-copy update for initializing target networks"""
      for target_param, param in zip(
          target_net.trainable_weights, net.trainable_weights
      ):
          target_param.assign(param)
      return target_net
  
imports: import argparse
  import os
  import random
  import time
  import gym
  import matplotlib.pyplot
  import numpy
  import tensorflow
  import tensorflow_probability
  import tensorlayer
  from tensorlayer.layers import Dense
  from tensorlayer.models import Model
label_desc: Use image node_id 2 for calling the SAC obj's underlying member method code with example usage: obj.target_ini(net, target_net) and returns: target_net