def populate(): print('Populating books...', end='') titles = [ '如何像電腦科學家一樣思考', '10 分鐘內學好 Python', '簡單學習 Django' '如何像電腦科學家一樣思考2', '10 分鐘內學好 Python2', '簡單學習 Django2' '如何像電腦科學家一樣思考3', '10 分鐘內學好 Python3', '簡單學習 Django3' '如何像電腦科學家一樣思考4', '10 分鐘內學好 Python4', '簡單學習 Django4' ] authors = ['張三', '李四', '王五', '趙六', '前七'] Book.objects.all().delete() for title in titles: book = Book() book.title = title n = random.randint(0, len(authors) - 1) book.author = authors[n] book.publisher = book.author book.pubDate = datetime.datetime.today() book.save() print('done')