code: def value(self, cent_obs):
      values = self.critic(cent_obs)
      return values
  
file_path: PARL/benchmark/torch/mappo/simple_model.py
imports: import parl
  import torch.nn
  import torch.nn.functional
label_desc: Use image node_id 3 for calling the SimpleModel obj's underlying member method code with example usage: obj.value(cent_obs) and returns: values