def point_distance(p1, p2):
    """Return the distance between two points.

    Parameters
    ----------
    p1 : (float, float)
        (x,y) values of point 1
    p2 : (float, float)
        (x,y) values of point 2

    Returns
    -------
    float
        the distance between the two points
    """
    x1, y1 = p1
    x2, y2 = p2
    return ((x1 - x2) ** 2 + (y1 - y2) ** 2) ** 0.5