code: def _ToChar(text):
      new_text = ""
      for char in text:
          if char == " ":
              new_text += "<SPACE>"
          else:
              new_text += char
          new_text += " "
      return new_text
  
file_path: espnet/egs/puebla_nahuatl/st1/local/data_prep.py
imports: import os
  import re
  import string
  import sys
  from argparse import ArgumentParser
  from xml.dom.minidom import parse
label_desc: Use image node_id 1 for calling a global function with example usage: _ToChar(text) and returns: new_text