How can I use Homebrew to install both Python 2 and 3 on Mac?

Question

I need to be able to switch back and forth between Python 2 and 3. How do I do that using Homebrew as I don\'t want to mess with path and get into trouble. Right now I have

Answer 1

Okay, I was struggling with my brew installation of Python3, because I didn't have pip3

sudo pip3 command not found

and so I did

brew uninstall --force --ignore-dependencies python3

and installed the regular Python 3.6.2 from official distribution and then I had pip3 and all components were ok.