def hex_distance(h1, h2):
    """Get hexagonal distance (manhattan distance) of two hexagon points
    given by the hexagonal coordinates h1 and h2

    Parameters
    ----------
    h1 : int, int
        Hexagonal coordinates of point 1.
    h2 : int, int
        Hexagonal coordinates of point 2.

    Returns
    -------
    float
        distance
    """
    a1, b1 = h1
    a2, b2 = h2
    c1 = -a1-b1
    c2 = -a2-b2
    return (abs(a1 - a2) + abs(b1 - b2) + abs(c1 - c2)) / 2