Linux Mint installation of Python 3.5

Steven D'Aprano steve at
Wed Sep 30 05:23:57 CEST 2015

On Wed, 30 Sep 2015 01:00 pm, Mario Figueiredo wrote:

> So the solution is to just maintain 3 different versions
> of python my machine. Ridiculous.

Not at all. It's not like a Python install is that big -- Python 3.3 is only
about 150MB.

It's a little sad that Ubuntu isn't able to transition between 2 and 3 in
one release, but that's their problem, not yours. You shouldn't be touching
the system Python(s), you should leave that for Ubuntu to upgrade.

I think that it is generally a good idea to keep your development Python
separate from the system Python, even if they use the same version. That
way, even if you accidentally break your development Python, the system
Python will continue to work.


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