def main():
parser = argparse.ArgumentParser(
description='display 1-D cellular automaton')
parser.add_argument('rule', type=int, help='wolframe rule (0-255)')
parser.add_argument('steps', type=int, help='number of steps')
parser.add_argument('seed', help='bin(seed) -> first line')
parser.add_argument('--debug',
action='store_true',
help='for debug purpose')
parser.add_argument('--raw', action='store_true', help='display with 0,1')
args = parser.parse_args()
if args.debug:
logging.basicConfig(level=logging.DEBUG)
automaton = Automaton(args.rule, args.seed)
automaton.display()
automaton.print_steps(args.steps, args.raw)
