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17个Python技巧,体验你的基本功

  • 2026-04-19 07:25:34
17个Python技巧,体验你的基本功

写 Python 总停留在基础语法，代码臃肿又低效？快来测测你的基本功！精选 17 个超实用 Python 高阶小技巧，涵盖精简写法、数据处理、循环优化、变量妙用、效率提速等核心细节，短小精悍、拿来就用，既能自测功底，又能直接融入日常代码，轻松告别新手冗余写法，瞬间拉高编程段位！

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  1. CONNECT:[ UseTime:0.000353s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000623s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.002591s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000259s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000552s ]
  6. SELECT * FROM `set` [ RunTime:0.000706s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000586s ]
  8. SELECT * FROM `article` WHERE `id` = 484853 LIMIT 1 [ RunTime:0.001173s ]
  9. UPDATE `article` SET `lasttime` = 1776653831 WHERE `id` = 484853 [ RunTime:0.004019s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000885s ]
  11. SELECT * FROM `article` WHERE `id` < 484853 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001838s ]
  12. SELECT * FROM `article` WHERE `id` > 484853 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000709s ]
  13. SELECT * FROM `article` WHERE `id` < 484853 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002064s ]
  14. SELECT * FROM `article` WHERE `id` < 484853 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004609s ]
  15. SELECT * FROM `article` WHERE `id` < 484853 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.017441s ]
0.113717s