code: def get_hash_value(file_path, hash_val_last_n=10):
      hash_obj = hashlib.md5()
      hash_obj.update(open(file_path, "rb").read())
      return hash_obj.hexdigest()[-hash_val_last_n:]
  
file_path: mace/mace/python/tools/encrypt_opencl_codegen.py
imports: import argparse
  import hashlib
  import os
  import shutil
  import sys
  import jinja2
label_desc: Use image node_id 5 for calling a global function with example usage: get_hash_value(file_path, hash_val_last_n) and returns: hash_obj