code: def get_random_string(length: int) -> str:
      letters = string.ascii_lowercase
      return "".join(random.choice(letters) for i in range(length))
  
imports: import copy
  import random
  import string
  from typing import TYPE_CHECKING, Any, Dict, Tuple, Union
  from unittest import TestCase
  from datasets import DatasetDict
  from transformers import AutoConfig, AutoFeatureExtractor, AutoTokenizer
  from optimum.utils.preprocessing import TaskProcessorsManager
label_desc: Use image node_id 1 for calling a global function with example usage: get_random_string(length) and returns: str