Django에서 sorted를 이용한 날짜별 내림차순정리

comments            = sorted(question_comments + answer_comments, 
                                     key = lambda i: i['pub_date'],
                                     reverse=True
                                     )

참고

• https://stackoverflow.com/questions/652291/sorting-a-list-of-dictionary-values-by-date-in-python

• https://www.geeksforgeeks.org/ways-sort-list-dictionaries-values-python-using-lambda-function/