def bounding_box(points):
    """ Return the coordinates for the box that contains all POINTS. """
    min_x = min([point[0] for point in points])
    min_y = min([point[1] for point in points])
    max_x = max([point[0] for point in points])
    max_y = max([point[1] for point in points])

    return [(min_x,min_y),(max_x,max_y)]