code: def group(*choices):
      return "(" + "|".join(choices) + ")"
  
imports: from builtins import open
  from codecs import lookup, BOM_UTF8
  import collections
  import functools
  from io import TextIOWrapper
  import itertools
  import re
  import sys
  from token import *
  from token import EXACT_TOKEN_TYPES
  import token
label_desc: Use image node_id 1 for calling a global function with example usage: group() and returns: unknown