import argparse
parser = argparse.ArgumentParser(description="Greets the user")

parser.add_argument("--name", help = "Your name", nargs=2)
parser.add_argument("--repeat", type = int, default = 1)
parser.add_argument("--shout", "-s", type=bool)

args = parser.parse_args()
args.name = ", ".join(args.name)

for i in range(args.repeat):
    output = f"Hello {args.name}"
    if args.shout in ("yes", "1", "true", "oo"):
        output = output.upper()
    print(f"Hello {args.name}")