def book_init_func(row):
book_instance = Book(row['title'])
book_instance.book_id = row['book_id']
book_instance.author = row['author']
book_instance.additional_authors = row['additional_authors']
book_instance.isbn = row['isbn']
book_instance.isbn13 = row['isbn13']
book_instance.my_rating = row['my_rating']
book_instance.avg_rating = row['avg_rating']
book_instance.publisher = row['publisher']
book_instance.binding = row['binding']
book_instance.pages = row['pages']
book_instance.year_publish = row['year_published']
book_instance.year_publish_original = row['year_publish_original']
book_instance.date_read = row['date_read']
book_instance.date_added = row['date_added']
book_instance.bookshelves = row['bookshelves']
'''Add rows to User.books'''
user = User.query.filter_by(username='******').first()
user.books.append(book_instance)
'''populate Dewey Decimal number'''
return book_instance
