code: def invalid_cluster_name():
      res = [
          "demo" * 100,
          "demo" + "!",
          "demo" + "@",
      ]
      return res
  
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 4 for calling a global function with example usage: invalid_cluster_name() and returns: res