code: def random_string(length=8):
      letters = string.ascii_letters
      return "".join(random.choice(letters) for _ in range(length))
  
imports: import random
  import time
  import random
  import string
  from faker import Faker
  import numpy
  from sklearn import preprocessing
  import requests
  from loguru import logger
  import datetime
label_desc: Use image node_id 1 for calling a global function with example usage: random_string(length) and returns: str