code: def is_stop(string: str, stops: Set[str] = set()) -> bool:
      return string.lower() in stops
  
imports: import re
  import unicodedata
  from typing import Set
  from ..None import attrs
  from .tokenizer_exceptions import URL_MATCH
label_desc: Use image node_id 21 for calling a global function with example usage: is_stop(string, stops) and returns: unknown