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Python超强学习笔记(全是干货)附PDF下载

  • 2026-03-27 04:55:11
Python超强学习笔记(全是干货)附PDF下载

Python超强学习笔记（全是干货）附PDF下载

#Python学习笔记#Python重点干货
这份笔记就是 “手把手教你学 Python”，从最基础的 “装环境写第一行代码”，到能处理数据、操作文件和数据库，最后到用 Python 做简单的数据分析和机器学习，全程没太多复杂公式，都是 “步骤 + 例子”，适合新手从零开始学，学完能应付日常的数据处理、简单的编程需求，入门机器学习。

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  1. CONNECT:[ UseTime:0.000490s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000799s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000308s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000250s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000500s ]
  6. SELECT * FROM `set` [ RunTime:0.000201s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000616s ]
  8. SELECT * FROM `article` WHERE `id` = 481823 LIMIT 1 [ RunTime:0.011526s ]
  9. UPDATE `article` SET `lasttime` = 1774588787 WHERE `id` = 481823 [ RunTime:0.004704s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000261s ]
  11. SELECT * FROM `article` WHERE `id` < 481823 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001845s ]
  12. SELECT * FROM `article` WHERE `id` > 481823 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.004390s ]
  13. SELECT * FROM `article` WHERE `id` < 481823 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.020331s ]
  14. SELECT * FROM `article` WHERE `id` < 481823 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.026677s ]
  15. SELECT * FROM `article` WHERE `id` < 481823 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.011876s ]
0.154612s