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干货:用Python进行数据清洗,这些方法你一定要掌握

2026-06-30 00:56:01

干货:用Python进行数据清洗,这些方法你一定要掌握

整理了Python数据清洗常用方法。

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请求信息 : 2026-07-04 03:48:14 HTTP/2.0 GET : https://f.mffb.com.cn/a/491992.html
运行时间 : 0.101072s [ 吞吐率：9.89req/s ] 内存消耗：4,753.76kb 文件加载：140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=cca1ee4e3a17b2e4a315e76b594ad506

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CONNECT:[ UseTime:0.000532s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000750s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000329s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000274s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000473s ]
SELECT * FROM `set` [ RunTime:0.000276s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000560s ]
SELECT * FROM `article` WHERE `id` = 491992 LIMIT 1 [ RunTime:0.000419s ]
UPDATE `article` SET `lasttime` = 1783108094 WHERE `id` = 491992 [ RunTime:0.018465s ]
SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.002412s ]
SELECT * FROM `article` WHERE `id` < 491992 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000622s ]
SELECT * FROM `article` WHERE `id` > 491992 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000446s ]
SELECT * FROM `article` WHERE `id` < 491992 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001074s ]
SELECT * FROM `article` WHERE `id` < 491992 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001416s ]
SELECT * FROM `article` WHERE `id` < 491992 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001828s ]

0.102615s

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