code: def value(self, obs, act):
      hid1 = self.fc1(obs)
      concat1 = layers.concat([hid1, act], axis=1)
      Q1 = self.fc2(concat1)
      Q1 = self.fc3(Q1)
      Q1 = layers.squeeze(Q1, axes=[1])
  
      hid2 = self.fc4(obs)
      concat2 = layers.concat([hid2, act], axis=1)
      Q2 = self.fc5(concat2)
      Q2 = self.fc6(Q2)
      Q2 = layers.squeeze(Q2, axes=[1])
      return Q1, Q2
  
file_path: PARL/benchmark/fluid/TD3/mujoco_model.py
imports: import paddle.fluid
  import parl
  from parl import layers
label_desc: Use image node_id 2 for calling the CriticModel obj's underlying member method code with example usage: obj.value(obs, act) and returns: Q1,  Q2