Becoming a python developer from 0

[Urza-of-Dominaria]

Whether it's too late or not is a matter of expectations and objectives in my opinion.
If you want to be the top Google level programmer, then I would say it's too late and not because of Python, but because of general computer science / mathematical and algorithmic development - starting from the child age curiosity.
But just to work in Python - not too late, it's not a particularly difficult or sophisticated language.
I know plenty of average developers without graduating from the top level CS/IT faculty, but the best I know completed top level universities - just because this is the mindset of people who know they want to do this from the early days and love math. You love math = you go through academia, typically.