code: def lowercase(text):
      return text.lower()
  
file_path: fairseq/examples/textless_nlp/gslm/unit2speech/tacotron2/cleaners.py
imports: import re
  from unidecode import unidecode
  from .numbers import normalize_numbers
label_desc: Use image node_id 3 for calling a global function with example usage: lowercase(text) and returns: text