Python The optparse module

configure a script to accept command-line options as well as arguments.
need to import optparse module

from optparse import OptionParser

def main():
    parser = OptionParser()
    parser.add_option("-f", "--file", dest="filename",  help="write report to FILE",  metavar="FILE")

    parser.add_option("-x", "--xray", dest="xray", help="specify xray strength factor")

    parser.add_option("-q", "--quiet", action="store_false", dest="verbose", default=True, help="don't print status message to stdout")
    (options, args) = parser.parse_args()

    print("options:", str(options))
    print("arguments:", args)

main()