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# 图书管理系统
##项目简介
选择并执行项目菜单
## 二级标题
学习 Markdown 格式
列表：
-读数据
-保存数据
### C6：
： ？ ， ，
```
：
Delete Book
Which book you wanna delelet?
Enter book ID: 4
Book
**************** id: 4 ****************
**** title: 《 4 》****
************** Number: 4 **************
************************
Deleted
```
```
：
Delete Book
Which book you wanna delelet?
Enter book ID: 5
Not found
```
### C4：
： ， ， ， ，
```
：
Print All Books
Total: 0 books
```
```
：
Print All Books
Book
**************** id: 6 ****************
**** title: 《 6 》****
************** Number: 6 **************
Total: 1 books
```
