def populate():
print('Populating articles and comments ... ', end='')
Book.objects.all().delete()
Review.objects.all().delete()
for title, content in zip(titles, contents):
book = Book()
book.title = title
book.content = content
book.author = authors
book.publisher = publishers
book.publicationDate = publicationDate
book.price = 999
book.save()
for review, score in zip(reviews, scores):
Review.objects.create(book=book, review=review, score=score)
print('done')
