code: def add_article(noun):
      return (
          "an %s" % noun
          if noun[0].lower() in ["a", "e", "i", "o", "u"]
          else "a %s" % noun
      )
  
imports: import collections
  import itertools
  import string
  import numpy
  import re
  import copy
  import os
  import json
  import munch
  import pickle
  import csv
  from .viewer.template_editor import TemplateEditor
  from .multilingual import multilingual_params, get_language_code
label_desc: Use image node_id 4 for calling a global function with example usage: add_article(noun) and returns: unknown