code: def value(self, obs):
      values = self.model.value(obs)
      return values
  
file_path: PARL/parl/algorithms/torch/a2c.py
imports: import torch
  from torch.distributions import Categorical
  import torch.nn.functional
  import torch.optim
  import numpy
  import parl
  from parl.utils.utils import check_model_method
label_desc: Use image node_id 6 for calling the A2C obj's underlying member method code with example usage: obj.value(obs) and returns: values