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.

To run a Python script with the py launcher, simply substitute py and its command-line switches for python or python3. For instance, here is the command typically used to upgrade pip by running it ...

Programming languages: Python just took a big jump forward Python overtakes Java and C for the first time in 20 years of a key language popularity index.

Command line wizardry, part two: Variables and loops in Bash Learn to process thousands of items reliably and repeatably in this installment.