code: def _md5(file_path):
      md5hash = hashlib.md5()
      chunk_size = 4096
      with open(file_path, "rb") as f:
          content_buffer = f.read(chunk_size)
          while content_buffer:
              md5hash.update(content_buffer)
              content_buffer = f.read(chunk_size)
      return md5hash.hexdigest()
  
imports: import hashlib
  import json
  import logging
  import os
  import urllib
  import zipfile
  from collections import namedtuple
  from pathlib import Path
  import numpy
  import pandas
label_desc: Use image node_id 3 for calling a global function with example usage: _md5(file_path) and returns: md5hash