class_docstr: MixIn to give namedtuple some access capabilities of a dictionary
code: def keys(self):
      return self._fields
  
imports: from collections import namedtuple
  from contextlib import redirect_stdout
  import inspect
  import os
  from typing import Any, Callable, Dict, List, Tuple, Union
  import lightning.pytorch
  import torch
  from torch import nn
  from torch.fft import irfft, rfft
  import torch.nn.functional
  from torch.nn.utils import rnn
label_desc: Use image node_id 4 for calling the OutputMixIn obj's underlying member method code with example usage: obj.keys() and returns: self