code: def get_image_tag():
      url = ""
      headers = {"accept": "application/json"}
      try:
          rep = requests.get(url, headers=headers)
          data = json.loads(rep.text)
          tag_name = data[0]["tags"][0]["name"]
          print(
              "[benchmark update] The image name used is %s"
              % str(tag_name)
          )
          return tag_name
      except:
          print("Can not get the tag list")
          return "master-latest"
  
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 21 for calling a global function with example usage: get_image_tag() and returns: tag_name, str