code: def calc_md5(s: Union[bytes, str]) -> str:
      """Return the md5 hash of the given string."""
      h = hashlib.new("md5", **HASHLIB_KWARGS)
  
      b = s.encode("utf-8") if isinstance(s, str) else s
  
      h.update(b)
      return h.hexdigest()
  
imports: from __future__ import annotations
  import dataclasses
  import functools
  import hashlib
  import os
  import subprocess
  import sys
  from typing import Any, Dict, Iterable, List, Mapping, Set, TypeVar, Union
  from typing_extensions import Final
  from streamlit import env_util
label_desc: Use image node_id 8 for calling a global function with example usage: calc_md5(s) and returns: h