How to use Python to monitor the content of a web page and send e-mail when the content of the web page changes?

how to use Python to monitor the content of a web page and send an email when the content of a web page changes?
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Apr.07,2021

it is not difficult for a fixed web crawler to log in. Download this web page after login, and md5 encryption generates a value to save it. Repeat the previous operation to see if the MD5 value is equal, and you don't want to wait to send email. This idea is the idea of a previous tampering project. You can try

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b379da-2c0b0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b379da-2c0b0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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