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Python 数据类型速记法,零基础也能会!

  • 2026-03-10 16:32:35
Python 数据类型速记法,零基础也能会!
在学习Python的过程中，python中的数据类型总是不知道怎么能记牢？ 也不懂python中的数据类型都有哪些特性? 什么是可变数据类型和不可变数据类型?
带着这三个问题下面给大家梳理清楚，一起来看看吧。
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  1. CONNECT:[ UseTime:0.001013s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000813s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000372s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000305s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000486s ]
  6. SELECT * FROM `set` [ RunTime:0.000220s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000612s ]
  8. SELECT * FROM `article` WHERE `id` = 478444 LIMIT 1 [ RunTime:0.000391s ]
  9. UPDATE `article` SET `lasttime` = 1774607928 WHERE `id` = 478444 [ RunTime:0.004321s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000264s ]
  11. SELECT * FROM `article` WHERE `id` < 478444 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000491s ]
  12. SELECT * FROM `article` WHERE `id` > 478444 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002713s ]
  13. SELECT * FROM `article` WHERE `id` < 478444 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000942s ]
  14. SELECT * FROM `article` WHERE `id` < 478444 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000672s ]
  15. SELECT * FROM `article` WHERE `id` < 478444 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001056s ]
0.155895s