code: def get_unique_name(prefix=None):
      if prefix is None:
          prefix = "distributed-benchmark-test-"
      return (
          prefix
          + "".join(
              random.choice(string.ascii_letters + string.digits)
              for _ in range(8)
          ).lower()
      )
  
imports: import time
  import logging
  import string
  import random
  import requests
  import json
  import os
  from yaml.representer import SafeRepresenter
  import yaml
  import tableprint
  import config
label_desc: Use image node_id 5 for calling a global function with example usage: get_unique_name(prefix) and returns: unknown