import argparse
from fib_py.fib_calcs.fib_number import recurring_fibonacci_number


def fib_numb() -> None:
    parser = argparse.ArgumentParser(description='Calculate Fibonacci numbers')
    parser.add_argument('--number',
                        action='store',
                        type=int,
                        required=True,
                        help='Fibonacci number to be calculated.',
                        )
    args = parser.parse_args()
    print(f"Your Fibonacci number is {recurring_fibonacci_number(number=args.number)}")
