code: def hash_from_code(msg):
      """Return the SHA256 hash of a string or bytes."""
      # hashlib.sha256() requires an object that supports buffer interface,
      # but Python 3 (unicode) strings don't.
      if isinstance(msg, str):
          msg = msg.encode()
      # Python 3 does not like module names that start with
      # a digit.
      return "m" + hashlib.sha256(msg).hexdigest()
  
imports: import hashlib
  import logging
  import os
  import struct
  import subprocess
  import sys
  from collections import OrderedDict
  from collections.abc import Callable
  from functools import partial
label_desc: Use image node_id 9 for calling a global function with example usage: hash_from_code(msg) and returns: unknown