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python中很常用的62个内置函数整理(小白必备)

  • 2026-07-02 16:38:05
python中很常用的62个内置函数整理(小白必备)

对于初学 Python 的小伙伴们来说，掌握内置常用函数是学好 Python 的重要一步。这些函数不仅能让你的代码更加简洁，还可以提高编程效率。本笔记将为大家整理了 62 个 Python 中最常用的内置函数，并且给出了一些简单的示例，帮助大家更好地理解和运用这些函数。

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  1. CONNECT:[ UseTime:0.000605s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000785s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.004551s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.024050s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000807s ]
  6. SELECT * FROM `set` [ RunTime:0.045406s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001052s ]
  8. SELECT * FROM `article` WHERE `id` = 495183 LIMIT 1 [ RunTime:0.015131s ]
  9. UPDATE `article` SET `lasttime` = 1783064030 WHERE `id` = 495183 [ RunTime:0.007716s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.010207s ]
  11. SELECT * FROM `article` WHERE `id` < 495183 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.053494s ]
  12. SELECT * FROM `article` WHERE `id` > 495183 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.029293s ]
  13. SELECT * FROM `article` WHERE `id` < 495183 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.207793s ]
  14. SELECT * FROM `article` WHERE `id` < 495183 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.027544s ]
  15. SELECT * FROM `article` WHERE `id` < 495183 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.035861s ]
0.555176s