code: def squeeze(value):
      """Replace all sequences of whitespace chars with a single space."""
      return re.sub(r"[\x00-\x20]+", " ", value).strip()
  
file_path: catboost/contrib/python/tornado/tornado-4/tornado/escape.py
imports: from __future__ import absolute_import, division, print_function
  import json
  import re
  from tornado.util import PY3, unicode_type, basestring_type
label_desc: Use image node_id 5 for calling a global function with example usage: squeeze(value) and returns: re