code: def find_codec(ext):
      def ext_compress(x):
          return lpc.dumps(ext, x)
  
      def ext_decompress(x):
          return lpc.loads(ext, x)
  
      ext_decompress(ext_compress(b""))
  
      return {"c": ext_compress, "d": ext_decompress, "n": ext}
  
file_path: catboost/library/python/compress/__init__.py
imports: from io import open
  import struct
  import json
  import os
  import logging
  import library.python.par_apply
  import library.python.codecs
label_desc: Use image node_id 2 for calling a global function with example usage: find_codec(ext) and returns: dict, lpc, lpc