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Python入门必看!10条代码核心书写规则

  • 2026-08-18 23:11:20
Python入门必看!10条代码核心书写规则

很多初学者学编程时经常会遇到这样的情况，写的代码能跑，但读起来让人头疼。如果想写出清晰、规范的Python代码，光会语法当然不够。

今天分享10条Python代码核心书写规则，帮你在写代码时养成好习惯，少走弯路。

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:0.000966s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001443s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.010670s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.040253s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000874s ]
  6. SELECT * FROM `set` [ RunTime:0.000267s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000631s ]
  8. SELECT * FROM `article` WHERE `id` = 506957 LIMIT 1 [ RunTime:0.004521s ]
  9. UPDATE `article` SET `lasttime` = 1787325009 WHERE `id` = 506957 [ RunTime:0.013788s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000268s ]
  11. SELECT * FROM `article` WHERE `id` < 506957 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000501s ]
  12. SELECT * FROM `article` WHERE `id` > 506957 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.004309s ]
  13. SELECT * FROM `article` WHERE `id` < 506957 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.043871s ]
  14. SELECT * FROM `article` WHERE `id` < 506957 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.017301s ]
  15. SELECT * FROM `article` WHERE `id` < 506957 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002748s ]
0.303231s