def METHOD_NAME(img1: np.ndarray, img2: np.ndarray, alpha=0.5) -> np.ndarray:
    """
    Combine two Numpy arrays of the same shape
    :param img1: a Numpy array
    :param img2: a Numpy array
    :param alpha: percentage weight for the first image
    :return: The combined image
    """
    return alpha * img1 + (1 - alpha) * img2