def array_offsets_xy(test_geo, offsets):
    """Return centroid x/y for an array and offsets

    Args:
        test_geo (): Geotransform from which the x/y are to be calculated
        offsets (): number of cells to offset in the x, y direction. Input
            as a list or tuple

    Returns:
        x: x coordinate of centroid
        y: y coordinate of centroid
    """
    xi, yi = offsets
    x = test_geo[0] + ((xi + 0.5) * test_geo[1])
    y = test_geo[3] + ((yi + 0.5) * test_geo[5])
    return x, y