Simple command line timer for macOS

timer.py

import argparse
import os
import time


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description='Timer')
    parser.add_argument('-s','--seconds', help='Seconds from now', required=True)
    args = vars(parser.parse_args())
    seconds = int(args['seconds'])

    for i in range(seconds):
        time.sleep(1)
        if i % 15 == 0:
            print(seconds - i)

    seconds_word = 'seconds' if seconds != 1 else 'second'
    os.system("say {} {} up ".format(seconds, seconds_word))