What is the use of Python queue Queue and thread Thread?

newly cute, I was confused when I first learned multithreading and queuing. I don"t know what"s the use in practice?

Mar.20,2021
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-64f5-1bf284f-30b4c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bf284f-30b4c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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