The latest version of macOS 10.13.3 has Python 2.7.10 installed by default, yet Python has been available on macOS and previously OS X for quite a while now.
Consult the Apple's Open Source Reference Library, and browse through the various releases of the OS to find out which Python version was included). But what if you have a project which requires Python 3 ?
The following instructions will guide you through the process of:
- installing Python 3 using Homebrew
- running multiple Python verions as sandboxed environments