code: def check_archive_formats(formats):
      """Returns the first format from the 'format' list that is unknown.
  
      If all formats are known, returns None
      """
      for format in formats:
          if format not in ARCHIVE_FORMATS:
              return format
      return None
  
file_path: catboost/contrib/python/setuptools/py3/setuptools/_distutils/archive_util.py
imports: import os
  from warnings import warn
  import sys
  from .errors import DistutilsExecError
  from .spawn import spawn
  from .dir_util import mkpath
  from ._log import log
label_desc: Use image node_id 5 for calling a global function with example usage: check_archive_formats(formats) and returns: None, format