Command line arguments input file and output file along with a help statement

gistfile1.txt

def main(argv):
    inputfile = ''
    outputfile = ''
    try:
        opts, args = getopt.getopt(argv,"hi:o:", ["ifile=", "ofile="])
    except getopt.GetoptError:
        print('test.py -i <inputfile> -o <outputfile>')
        sys.exit(2)
    for opt, arg in opts:
        if opt == '-h':
            print('test.py -i <inputfile> -o <outputfile>')
            sys.exit()
        elif opt in ("-i", "--ifile"):
            inputfile = arg
        elif opt in ("-o", "--ofile"):
            outputfile = arg
    print('Input file is "', inputfile)
    print('Output file is "', outputfile)

if __name__ == "__main__":
    main(sys.argv[1:])