__author__ = 'ipetrash'

import argparse

def main(namespace):

args = namespace.parse_args()

args.user = "Илья"

if args.user:

from datetime import datetime, time

welcome = "Привет"

current = datetime.now().time()

if time(6) <= current < time(12):

welcome = "Доброе утро"

elif time(12) <= current < time(18):

welcome = "Добрый день"

elif time(18) <= current < time(23, 59, 59):

welcome = "Добрый вечер"

elif time(0) <= current < time(6):

welcome = "Доброй ночи"

print("{}, {}!".format(welcome, args.user))

else:

print("Привет, Python!")

def create_parser():

parser = argparse.ArgumentParser(description='Hello World Example!')

parser.add_argument('--user', type=str, help=' user name.')

return parser

if __name__ == '__main__':

parser = create_parser()

main(parser)