text: def append_to_pathlib_stem(path, string_to_append):
      """
      Appends a string to the stem of a pathlib object
      :param path: pathlib path
      :param string_to_append:  string to append to the stem
      :return: pathlib object with the string added to the stem
      """
      return path.parent / (path.stem + string_to_append + path.suffix)
  