code: def lookup_indices_3d(
      self, values: List[List[List[str]]]
  ) -> List[List[List[int]]]:
      result: List[List[List[int]]] = []
      for value in values:
          result.append(self.lookup_indices_2d(value))
      return result
  
file_path: pytext/pytext/torchscript/vocab.py
imports: from typing import Dict, List, Optional
  import torch
  import torch.nn
  from pytext.common.constants import SpecialTokens
label_desc: Use image node_id 6 for calling the ScriptVocabulary obj's underlying member method code with example usage: obj.lookup_indices_3d(values) and returns: result