code: def S_ISDIR(mode):
      """Return True if mode is from a directory."""
      return S_IFMT(mode) == S_IFDIR
  
file_path: catboost/contrib/tools/python3/src/Lib/stat.py
label_desc: Use image node_id 3 for calling a global function with example usage: S_ISDIR(mode) and returns: unknown