code: def normalizeString(s):
      s = unicodeToAscii(s.lower().strip())
      s = re.sub(r"([.!?])", r" \1", s)
      s = re.sub(r"[^a-zA-Z.!?]+", r" ", s)
      return s
  
file_path: skorch/examples/translation/data.py
imports: import unicodedata
  import string
  import re
label_desc: Use image node_id 2 for calling a global function with example usage: normalizeString(s) and returns: s