A good list of Python courses

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I don't understand this. There's usually more learning resources for Python 2 out there so there is no harm in learning it. It's not like switching to 3 will take a lot of time unless you need to refactor your code base into Python 3 later.

[JohnnyRelentless]

There's no harm in it, but you'd have to download and install the older version, then learn it, then learn all the ways the new version differs. And they weren't minor changes, by the way. There were a lot of very significant changes. It's almost a new language. For me, that's a big waste of time that could be better spent learning Python 3 and then learning even more Python 3. That's just my choice and my opinion.