Return the aspect ratio of a screen resolution.

get_aspect_ratio.py

#!/usr/bin/env python3

import sys


def get_aspect_ratio(width: int, height: int) -> tuple[int, int]:
    """Return the aspect ratio of a screen resolution."""
    a, b = width, height
    while b != 0:
        temp = b
        b = a % b
        a = temp
    greatest_common_divisor = a
    return (
        int(width / greatest_common_divisor),
        int(height / greatest_common_divisor)
    )


if __name__ == "__main__":
    print(
        get_aspect_ratio(
            int(sys.argv[1]),
            int(sys.argv[2])
        )
    )