How does beatuifulsoup get the value of an attribute?

the following code, I want to use beatuifulsoup to get the value of posid (1). How do I write it?

<div class="ec_ad_results" posid="1" prank="2" sourceid="160">
Sep.27,2021

first find the tag through the class, and then specify the attribute you are looking for in square brackets

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-64f5-1bf433f-31ecd.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bf433f-31ecd.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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