code: def _accept(prefix):
      return (
          prefix[:4] == b"\xff\x4f\xff\x51"
          or prefix[:12] == b"\x00\x00\x00\x0cjP  \x0d\x0a\x87\x0a"
      )
  
file_path: catboost/contrib/python/Pillow/py2/PIL/Jpeg2KImagePlugin.py
imports: import io
  import os
  import struct
  from .None import Image, ImageFile
label_desc: Use image node_id 3 for calling a global function with example usage: _accept(prefix) and returns: unknown