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想提升代码质量?先把Python exec函数玩懂

2026-02-25 09:01:27

想提升代码质量?先把Python exec函数玩懂

想提升代码质量？先把Python exec函数玩懂

今天分享一下关于Python中的exec函数的高阶技巧，如何巧妙运用它来提升代码的质量。首先，exec函数是一个强大的工具，可以动态执行字符串形式的Python代码。利用这个特性，我们可以实现一些灵活而高效的编程技巧。#Python函数 #零基础学编程 #程序员

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CONNECT:[ UseTime:0.000965s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001487s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.002923s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000690s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.001331s ]
SELECT * FROM `set` [ RunTime:0.001070s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.001598s ]
SELECT * FROM `article` WHERE `id` = 475779 LIMIT 1 [ RunTime:0.005003s ]
UPDATE `article` SET `lasttime` = 1772266111 WHERE `id` = 475779 [ RunTime:0.002445s ]
SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000723s ]
SELECT * FROM `article` WHERE `id` < 475779 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001699s ]
SELECT * FROM `article` WHERE `id` > 475779 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.011843s ]
SELECT * FROM `article` WHERE `id` < 475779 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.041871s ]
SELECT * FROM `article` WHERE `id` < 475779 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.010191s ]
SELECT * FROM `article` WHERE `id` < 475779 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.017129s ]

0.273644s

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