code: def bin(s):
      return hexlify(memoryview(s)).upper()
  
file_path: catboost/contrib/tools/python/src/Lib/ctypes/test/test_byteswap.py
imports: import sys, unittest, struct, math, ctypes
  from binascii import hexlify
  from ctypes import *
label_desc: Use image node_id 1 for calling a global function with example usage: bin(s) and returns: hexlify