import argparse
parser = ArgumentParser(prog="myprogram", description = "the detailed information for this .py file")
parser.add_argument('-v', '--verbose', help="print out the detailed information if specified", action='store_true' )
parser.add_argument('-q', '-quiet', help="print as less as info out", action='store_true')
parser.add_argument('-n', '--num', help="numbers inputed", nargs='+')
parser.print_help()
args = parser.parse_args()
print("The Namespace: ", args, sep='\n')
if args.verbose:
print("the detailed infomation blablablabla .........blablablabla")
elif args.quiet:
print("as less as info")
else:
print("the default")
...........
argparse sample code;
