Nearly all command line Python programs use argparse to simplify picking options and arguments off the command ... but I’d love to hear some concrete examples of where you think it will come ...

In order to understand what a command line argument is, we should show an example of how a program is normally launched ... user interface of Windows would take longer for me.

Shell scripts also support some programming language ... a file object to read. In this example, sys.stdin. csvfile = csv.reader(sys.stdin) # The script should take one argument that is a column ...