@imlearning64: There might be more things that are different from to another but maybe they’re related to functions, libraries and things related.
On Codecademy, if I’m not wrong, we use Python 2.x so that’s why our print statements don’t use parentheses.
There’s the documentation of each version of it, maybe you could take a look.
You mean install it or something? Or simply use Python 3.x.x syntax?
For any of them, there are compilers for that and I believe some of them allows you to either code using Python 2.x.x. sytanx or Python 3.x.x syntax.