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还在为Python字符串报错?这篇笔记帮你避坑

2026-06-29 21:44:25

还在为Python字符串报错?这篇笔记帮你避坑

还在为Python字符串报错？这篇笔记帮你避坑

Python字符串入门必备干货来啦！
不搞复杂理论，只给实用内容：基础创建、索引切片、运算符、格式化（%格式/f-string），所有核心用法一目了然，代码可直接复制运行。
新手入门、日常复盘都适用，建议收藏备用，避免下次用到找不到！
#Python #Python字符串 #Python入门 #Python基础 #Python学习 #Python笔记 #Python代码 #新手学Python #编程干货 #Python教程 #后端开发 #编程入门

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请求信息 : 2026-07-04 05:17:40 HTTP/2.0 GET : https://f.mffb.com.cn/a/490948.html
运行时间 : 0.119512s [ 吞吐率：8.37req/s ] 内存消耗：4,393.01kb 文件加载：140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=723ec6453e284cb4cc5e1a055904666f

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CONNECT:[ UseTime:0.000674s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000804s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.003447s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.004456s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000545s ]
SELECT * FROM `set` [ RunTime:0.000222s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000622s ]
SELECT * FROM `article` WHERE `id` = 490948 LIMIT 1 [ RunTime:0.002090s ]
UPDATE `article` SET `lasttime` = 1783113460 WHERE `id` = 490948 [ RunTime:0.023419s ]
SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000854s ]
SELECT * FROM `article` WHERE `id` < 490948 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000501s ]
SELECT * FROM `article` WHERE `id` > 490948 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001559s ]
SELECT * FROM `article` WHERE `id` < 490948 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.011046s ]
SELECT * FROM `article` WHERE `id` < 490948 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000953s ]
SELECT * FROM `article` WHERE `id` < 490948 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000818s ]

0.121088s

ShowPageTrace