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Python中的常用代码片段,常见的编程问题都能解决

  • 2026-03-23 20:12:47
Python中的常用代码片段,常见的编程问题都能解决
介绍51个实用的Python代码片段，涵盖从基础操作到高级应用的各个方面。每个代码片段都包含可直接使用的代码示例和简明解释，帮助开发者快速解决常见编程问题：
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  1. CONNECT:[ UseTime:0.000394s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000655s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000286s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000278s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000609s ]
  6. SELECT * FROM `set` [ RunTime:0.000226s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000681s ]
  8. SELECT * FROM `article` WHERE `id` = 482110 LIMIT 1 [ RunTime:0.000375s ]
  9. UPDATE `article` SET `lasttime` = 1774619930 WHERE `id` = 482110 [ RunTime:0.002903s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000287s ]
  11. SELECT * FROM `article` WHERE `id` < 482110 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000536s ]
  12. SELECT * FROM `article` WHERE `id` > 482110 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000442s ]
  13. SELECT * FROM `article` WHERE `id` < 482110 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001072s ]
  14. SELECT * FROM `article` WHERE `id` < 482110 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.008147s ]
  15. SELECT * FROM `article` WHERE `id` < 482110 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004132s ]
0.091376s