code: def rank_dated_files(pattern, dir, descending=True):
      
      files = glob.glob(op.join(dir, pattern))
      return sorted(files, reverse=descending)
docs: Search a directory for files that match a pattern. Return an ordered list of these files by filename.
  
      Args:
          pattern: The glob pattern to search for.
          dir: Path to directory where the files will be searched for.
          descending: Default True, will sort alphabetically by descending order.
  
      Returns:
          list: Rank-ordered list by filename.