code: def collate(data: Iterable, reverse: bool = False) -> List[str]:
      
      return sorted(data, key=_thkey, reverse=reverse)
docs: :param list data: a list of strings to be sorted
      :param bool reverse: reverse flag, set to get the result in descending order
      :return: a list of strings, sorted alphabetically, according to Thai rules
      **Example**::
          >>> from pythainlp.util import *
          >>> collate(['ไก่', 'เป็ด', 'หมู', 'วัว'])
          ['ไก่', 'เป็ด', 'วัว', 'หมู']