def get_circle_rect(center_point, radius):
    """Returns the rectangle containing a circle with given centre and radius.

    :param center_point: the center of the circle
    :param radius: the radius of the circle
    :return: tuple containing (`top_left_x`, `top_left_y`, `width`, `height`) of the rectangle.
    """
    center_x, center_y = center_point
    return center_x - radius, center_y - radius, radius * 2, radius * 2
