code: def hinge_d_loss(logits_real, logits_fake):
      loss_real = torch.mean(F.relu(1.0 - logits_real))
      loss_fake = torch.mean(F.relu(1.0 + logits_fake))
      d_loss = 0.5 * (loss_real + loss_fake)
      return d_loss
  
label_desc: Use image node_id 1 for calling a global function with example usage: hinge_d_loss(logits_real, logits_fake) and returns: d_loss