code: def make_local_dirs(dl_dir, dl_inputs, keep_subdirs):
      
  
      # Make the local download dir if it doesn't exist
      if not os.path.isdir(dl_dir):
          os.makedirs(dl_dir)
          print('Created local base download directory: %s' % dl_dir)
      # Create all required local subdirectories
      # This must be out of dl_pb_file to
      # avoid clash in multiprocessing
      if keep_subdirs:
          dl_dirs = set([os.path.join(dl_dir, d[1]) for d in dl_inputs])
          for d in dl_dirs:
              if not os.path.isdir(d):
                  os.makedirs(d)
      return
docs: Make any required local directories to prepare for downloading