code: def get_tarfile_name(checkpoint_folder):
      """Converts a folder path into a filename for a .tar archive"""
      tarfile_name = (
          checkpoint_folder.replace(os.path.sep, "_") + ".tar"
      )
  
      return tarfile_name
  
imports: import tarfile
  import os
  import json
  import requests
  import sys
  import shutil
  import re
  from tqdm import tqdm, trange
  import numpy
  import tensorflow
  from tensorflow.core.protobuf import rewriter_config_pb2
  from tensorflow.python.client import device_lib
  import time
  from datetime import datetime
  import csv
  import argparse
  from sys import exit
  import codecs
  from gpt_2_simple.src import model, sample, encoder, memory_saving_gradients
  from gpt_2_simple.src.load_dataset import load_dataset, Sampler
  from gpt_2_simple.src.accumulate import AccumulatingOptimizer
label_desc: Use image node_id 12 for calling a global function with example usage: get_tarfile_name(checkpoint_folder) and returns: tarfile_name