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超常用的22个Python常用公式

  • 2026-08-18 23:11:39
超常用的22个Python常用公式

  平时我们自己写Python代码的时候，每个人都会摸索出属于自己的解题方法，也会整理一些可以辅助程序调试的实用代码模板。

  我自己长期写代码，累计敲了几十万行，从中整理汇总出22个Python通用模板公式，日常编程里遇到的大部分常见问题，用这些公式基本都能解决，大家可以参考看看。

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  1. CONNECT:[ UseTime:0.000883s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001529s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000621s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.002294s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001696s ]
  6. SELECT * FROM `set` [ RunTime:0.007491s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001475s ]
  8. SELECT * FROM `article` WHERE `id` = 508482 LIMIT 1 [ RunTime:0.020956s ]
  9. UPDATE `article` SET `lasttime` = 1787333916 WHERE `id` = 508482 [ RunTime:0.031608s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.002475s ]
  11. SELECT * FROM `article` WHERE `id` < 508482 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.042645s ]
  12. SELECT * FROM `article` WHERE `id` > 508482 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.054408s ]
  13. SELECT * FROM `article` WHERE `id` < 508482 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.112530s ]
  14. SELECT * FROM `article` WHERE `id` < 508482 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.107900s ]
  15. SELECT * FROM `article` WHERE `id` < 508482 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.042425s ]
0.602115s