code: def test_aifc(h, f):
      """AIFC and AIFF files"""
      with warnings.catch_warnings():
          warnings.simplefilter("ignore", category=DeprecationWarning)
          import aifc
      if not h.startswith(b"FORM"):
          return None
      if h[8:12] == b"AIFC":
          fmt = "aifc"
      elif h[8:12] == b"AIFF":
          fmt = "aiff"
      else:
          return None
      f.seek(0)
      try:
          a = aifc.open(f, "r")
      except (EOFError, aifc.Error):
          return None
      return (
          fmt,
          a.getframerate(),
          a.getnchannels(),
          a.getnframes(),
          8 * a.getsampwidth(),
      )
  
file_path: catboost/contrib/tools/python3/src/Lib/sndhdr.py
imports: import warnings
  from collections import namedtuple
label_desc: Use image node_id 3 for calling a global function with example usage: test_aifc(h, f) and returns: fmt,  a,  a,  a,  unknown, None, None, None