code: def copy_data(
      input_file, destination_dir, num_threads, tmp_destination_dir
  ):
      """
      Copy data from one source to the other using num_threads. The data to copy
      can be a single file or a directory. We check what type of data and
      call the relevant functions.
  
      Returns:
          output_file (str): the new path of the data (could be file or dir)
          destination_dir (str): the destination dir that was actually used
      """
      # return whatever the input is: whether "", None or anything else.
      logging.info(f"Creating directory: {destination_dir}")
      if not (destination_dir is None or destination_dir == ""):
          makedir(destination_dir)
      else:
          destination_dir = None
      if g_pathmgr.isfile(input_file):
          output_file, output_dir = copy_file(
              input_file, destination_dir, tmp_destination_dir
          )
      elif g_pathmgr.isdir(input_file):
          output_file, output_dir = copy_dir(
              input_file, destination_dir, num_threads
          )
      else:
          raise RuntimeError(
              "The input_file is neither a file nor a directory"
          )
      return output_file, output_dir
  
imports: import json
  import logging
  import os
  import pickle
  import re
  import shutil
  import time
  from urllib.parse import urlparse
  import numpy
  import pandas
  import yaml
  from iopath.common.download import download
  from iopath.common.file_io import file_lock, g_pathmgr
  from vissl.utils.slurm import get_slurm_dir
label_desc: Use image node_id 12 for calling a global function with example usage: copy_data(input_file, destination_dir, num_threads, tmp_destination_dir) and returns: output_file,  output_dir