The idea is pretty simple. Nearly all command line Python programs use argparse to simplify picking options and arguments off the command line as well as providing some help.

The py launcher—or just py for short—is a shortcut to all the installed versions of Python on your system. With a command-line switch, you can see at a glance all the Python interpreters you ...

Interested in learning Python? Jack Wallen takes you through your first steps in building a simple application to take user input and write it to a file.