Python argparse optional sub-arguments

Question

I\'d like to have an argument to my program that has some required parameters along with some optional parameters. Something like this:

[--print text [color          


        

Answer 1

that will work for single arg:

parser.add_argument('--write_google', nargs='?', const='Yes',
                    choices=['force', 'Yes'],
                    help="write local changes to google")