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python是什么

  • 2026-03-25 04:40:24
python是什么

最主要的是要清楚自己学来做什么，如果只是好奇学一下，或者自己想了一些不切实际的伪需求，一边学一边试着解决问题，否则绝大多数学习方法都是白折腾浪费时间

我以前为了做数据分析自学SQL，SQL写起来6得飞起，后来发现有些数据光靠SQL不够，于是SQL做一部分导出来到Excel再处理，后来发现SQL+Excel还是不够，于是自学Python，从数据库里取数据二次加工分析

去年老板帮我搭了个小框架做任务调度，我在这个项目里干发邮件、调接口、洗数据，还有我自己的一些活，洋洋洒洒写了70几个任务，还给我申请了台服务器专门跑这个调度器项目

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  1. CONNECT:[ UseTime:0.000622s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000760s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000365s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000292s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000492s ]
  6. SELECT * FROM `set` [ RunTime:0.000203s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000650s ]
  8. SELECT * FROM `article` WHERE `id` = 480427 LIMIT 1 [ RunTime:0.000415s ]
  9. UPDATE `article` SET `lasttime` = 1774606873 WHERE `id` = 480427 [ RunTime:0.014182s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000356s ]
  11. SELECT * FROM `article` WHERE `id` < 480427 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000526s ]
  12. SELECT * FROM `article` WHERE `id` > 480427 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000450s ]
  13. SELECT * FROM `article` WHERE `id` < 480427 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000786s ]
  14. SELECT * FROM `article` WHERE `id` < 480427 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000930s ]
  15. SELECT * FROM `article` WHERE `id` < 480427 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000834s ]
0.151120s