I will almost resist the urge to truncate the title to "Python is Not for You" -- but I'd like to second the benefits of using a python version manager such as

I will almost resist the urge to truncate the title to "Python is Not for You" -- but I'd like to second the benefits of using a python version manager such as pyenv. Yes, all the versions waste an ungodly amount of space, but you probably can't/won't use Clojure instead I guess.