code: def __init__(self):
      super(Actor, self).__init__()
      self.fc1 = nn.Linear(4, 256)
      self.fc2 = nn.Linear(256, 128)
      self.fc3 = nn.Linear(128, 2)
  
imports: import numpy
  import unittest
  import os
  from copy import deepcopy
  from collections import OrderedDict
  import torch
  import torch.nn
  import torch.optim
  from parl.utils import get_gpu_count
  import parl
label_desc: Use image node_id 1 to create a new Actor object from inherited base classes: parl with example: obj = Actor()