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自学python日志26-4-20

  • 2026-06-29 14:47:57
自学python日志26-4-20
这几天的学习内容主要是入门知识，基本都是一些定义性的东西，包括以下内容：
一是字面量、注释、变量及数据类型的介绍，这些内容都比较好理解，但是要都记住，还是要多敲代码。
二是数据类型转换、标识符与运算符、字符串的定义与拼接、字符串格式化积属于输入，基本是逻辑都是比较清晰的，语法也都比较简单。
完成了一个小作业，程序内容及运行成果如下。
下一步就是基础内容了，慢慢来吧。
本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

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  1. CONNECT:[ UseTime:0.000572s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000748s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.004819s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000293s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000564s ]
  6. SELECT * FROM `set` [ RunTime:0.004797s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000790s ]
  8. SELECT * FROM `article` WHERE `id` = 488186 LIMIT 1 [ RunTime:0.000422s ]
  9. UPDATE `article` SET `lasttime` = 1783139261 WHERE `id` = 488186 [ RunTime:0.002911s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000303s ]
  11. SELECT * FROM `article` WHERE `id` < 488186 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.018251s ]
  12. SELECT * FROM `article` WHERE `id` > 488186 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.004694s ]
  13. SELECT * FROM `article` WHERE `id` < 488186 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.008821s ]
  14. SELECT * FROM `article` WHERE `id` < 488186 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002764s ]
  15. SELECT * FROM `article` WHERE `id` < 488186 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.008881s ]
0.156557s