code: def test_model_copy(self):
      self.assertNotEqual(
          self.model.fc1.param_name, self.target_model.fc1.param_name
      )
      self.assertNotEqual(
          self.model.fc1.bias_name, self.target_model.fc1.bias_name
      )
  
      self.assertNotEqual(
          self.model.fc2.param_name, self.target_model.fc2.param_name
      )
      self.assertNotEqual(
          self.model.fc2.bias_name, self.target_model.fc2.bias_name
      )
  
      self.assertNotEqual(
          self.model.fc3.param_name, self.target_model.fc3.param_name
      )
      self.assertNotEqual(
          self.model.fc3.bias_name, self.target_model.fc3.bias_name
      )
  
imports: import numpy
  import paddle.fluid
  import parl
  import unittest
  from copy import deepcopy
  from paddle.fluid import ParamAttr
  from parl import layers
  from parl.utils import get_gpu_count
  from parl.core.fluid.plutils import fetch_value
label_desc: Use image node_id 3 for calling the ModelBaseTest obj's underlying member method code with example usage: obj.test_model_copy() without return types