小编Ceb*_*ebu的帖子

我试图创建一个程序，用户在其中键入书籍，然后将其存储到书架中。当用户键入“DONE”时，条目必须结束。

我想得到以下输出：

Welcome to your digital library!

Enter a book you would like to add: 
  Enter name: Harry Potter
  Enter author: Me
  Enter pages: 313

Enter a book you would like to add: 
  Enter name: Lord of the rings
  Enter author: Tolkien
  Enter pages: 412

Enter a book you would like to add: 
  Enter name: DONE

The following books are available in your bookshelf:

1. Harry Potter written by Me. Pages: 313
2. Lord of the rings written by Tolkien. …