code: def value(self, obs, act):
      return self.critic_model.value(obs, act)
  
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 3 for calling the MujocoModel obj's underlying member method code with example usage: obj.value(obs, act) and returns: self