code: def get_total_loss(self, exclude_loss=("total_loss",)):
      self.losses["total_loss"] = 0
      for k, v in self.losses.items():
          if k not in exclude_loss:
              self.losses["total_loss"] += v
  
label_desc: Use image node_id 3 for calling the LossTracker obj's underlying member method code with example usage: obj.get_total_loss(exclude_loss) without return types