code: def forward(self, obs):
      a = F.relu(self.l1(obs))
      a = F.relu(self.l2(a))
      return torch.tanh(self.l3(a))
  
file_path: PARL/benchmark/torch/ddpg/mujoco_model.py
imports: import parl
  import torch
  import torch.nn
  import torch.nn.functional
label_desc: Use image node_id 2 for calling the Actor obj's underlying member method code with example usage: obj.forward(obs) and returns: torch