3 features released in Python 3.1 you should use in 2021: 
This is the second in a series of articles about features that first appeared in a version of Python 3.x. Python 3.1 was first released in 2009, and even though it has been out for a long time, many of the features it introduced are underused and pretty cool. Here are three of them.
read more: Opensource.com Moshe Zadka
Supporting Open Source.
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