Return the aspect ratio of a screen resolution.

get_aspect_ratio.py

#!/usr/bin/env python3

import math
import sys


def get_aspect_ratio(width: int, height: int) -> tuple[int, int]:
    """Return the aspect ratio of a screen resolution."""
    greatest_common_divisor = math.gcd(width, height)
    return (int(width / greatest_common_divisor), int(height / greatest_common_divisor))


if __name__ == "__main__":
    if len(sys.argv) != 3:
        print(f"Usage: python3 {sys.argv[0]} <width> <height>")
        sys.exit(1)
    print(get_aspect_ratio(int(sys.argv[1]), int(sys.argv[2])))