title: Multiple Python versions on the same machine?
body: <p>Is there official documentation on the Python website somewhere, on how to install and run multiple versions of Python on the same machine on Linux?</p>
  
  <p>I can find gazillions of blog posts and answers, but I want to know if there is a "standard" official way of doing this?</p>
  
  <p>Or is this all dependent on OS?</p>