# CS150 debugging example 

import math

def snr(signal, noise):
    """
    Compute signal to noise ratio in decibels (but has a bug...)

    Args:
        signal: Signal power
        noise: Noise power

    Returns: SNR as float
    """
    ratio = signal // noise
    decibels = 10 * math.log10(ratio)
    return decibels


snr(9, 10)