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Python程序设计 李俊 课后习题答案解析

  • 2026-06-30 14:28:05
Python程序设计 李俊 课后习题答案解析

书籍基本信息

书名：Python程序设计
主编：李俊
ISBN：9787121451300
出版社：电子工业出版社

学习经验分享

作为计算机专业的大学生，《Python程序设计》是大学必修课程之一，这本书详细介绍了Python语言的基础知识和编程技巧，对于编程实践非常有帮助。但是在学习过程中，部分概念和算法比较复杂，单纯依靠教材和课堂讲解很难完全掌握，配套的习题解析能够帮助大家更好地梳理解题思路，攻克疑难点。

学习这门课程推荐结合实践案例练习，多动手编程加深对知识点的理解，也欢迎有经验的学长学姐分享更多实用的学习方法，同学们可以互相交流共同进步，更好地掌握Python编程技能。

课后习题答案

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  1. CONNECT:[ UseTime:0.001030s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001232s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.006494s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.006524s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001293s ]
  6. SELECT * FROM `set` [ RunTime:0.000714s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001377s ]
  8. SELECT * FROM `article` WHERE `id` = 492487 LIMIT 1 [ RunTime:0.000981s ]
  9. UPDATE `article` SET `lasttime` = 1783096006 WHERE `id` = 492487 [ RunTime:0.002613s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.001418s ]
  11. SELECT * FROM `article` WHERE `id` < 492487 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001240s ]
  12. SELECT * FROM `article` WHERE `id` > 492487 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001284s ]
  13. SELECT * FROM `article` WHERE `id` < 492487 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.007750s ]
  14. SELECT * FROM `article` WHERE `id` < 492487 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.010522s ]
  15. SELECT * FROM `article` WHERE `id` < 492487 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002635s ]
0.199510s