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Python函数公式大全(适合新手学习的33个函数)

  • 2026-03-26 09:17:27
Python函数公式大全(适合新手学习的33个函数)

  如果你编写Python代码时总依赖搜索查找函数，不妨直接掌握这30个实用函数！包含读取JSON文件、写入JSON文件、列表分块（chunk）等内容。
  这是我积累6年开发经验总结而成，实用性极强！不仅能够优化代码质量，还能显著减少重复工作。
  建议新手小白收藏，程序员必备！

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  1. CONNECT:[ UseTime:0.000430s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000558s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000276s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000282s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000647s ]
  6. SELECT * FROM `set` [ RunTime:0.000215s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000595s ]
  8. SELECT * FROM `article` WHERE `id` = 482919 LIMIT 1 [ RunTime:0.002450s ]
  9. UPDATE `article` SET `lasttime` = 1774587664 WHERE `id` = 482919 [ RunTime:0.006517s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000304s ]
  11. SELECT * FROM `article` WHERE `id` < 482919 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000702s ]
  12. SELECT * FROM `article` WHERE `id` > 482919 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000439s ]
  13. SELECT * FROM `article` WHERE `id` < 482919 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004327s ]
  14. SELECT * FROM `article` WHERE `id` < 482919 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.018878s ]
  15. SELECT * FROM `article` WHERE `id` < 482919 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004211s ]
0.108119s