code: def forward(self, obs):
      x = obs
      v = F.relu(self.l1(x))
      v = F.relu(self.l2(v))
      v = self.last_fc1(v)
      return v
  
imports: from cmath import log
  import parl
  import torch
  import torch.nn
  import torch.nn.functional
label_desc: Use image node_id 2 for calling the Value obj's underlying member method code with example usage: obj.forward(obs) and returns: v