code: def replace_second_digit(s):
      table = {
          "0": "zero",
          "1": "one",
          "2": "two",
          "3": "three",
          "4": "four",
          "5": "five",
      }
  
      seen = False
      s = list(s)
      pos_digit = -1
      for i in range(len(s)):
          if s[i].isdigit():
              pos_digit = i
      if pos_digit != -1:
          s[pos_digit] = table[s[pos_digit]]
      return "".join(s)
  
file_path: lightseq/examples/inference/python/export/huggingface/hf_t5_export.py
imports: import os
  from collections import OrderedDict
  import tensorflow
  import h5py
  import numpy
  from operator import attrgetter
  from lightseq.training.ops.pytorch.export import gather_token_embedding, fill_pb_layer
  from export.proto.t5_pb2 import T5
  from transformers import T5ForConditionalGeneration
  from export.util import parse_args
label_desc: Use image node_id 4 for calling a global function with example usage: replace_second_digit(s) and returns: str