code: def get_uuid():
      """Return a randomly-generated UUID hex string."""
      return uuid.uuid4().hex
  
imports: from collections.abc import Callable, Collection, Iterable, Iterator, Mapping, Sequence
  import itertools
  import queue
  import threading
  import time
  from typing import Any, Optional, TypeVar, Union
  import uuid
  from lit_nlp.api import types
  import numpy
label_desc: Use image node_id 17 for calling a global function with example usage: get_uuid() and returns: uuid