code: def PackZero(number, size=6):
      return "0" * (size - len(str(number))) + str(number)
  
file_path: espnet/egs2/totonac/asr1/local/data_prep.py
imports: import os
  import re
  import shutil
  import string
  import sys
  from argparse import ArgumentParser
  from xml.dom.minidom import parse
  import soundfile
label_desc: Use image node_id 3 for calling a global function with example usage: PackZero(number, size) and returns: unknown