def is_inside_circle(circle_x: float, circle_y: float, rad: float, x: float, y: float) -> bool:
        """
        Finds if a given point lies on or inside the circle, or outside the circle.

        Parameters:
                circle_x, circle_y : Coordinates of center of circle
                rad: radius of circle
                x, y : Coordinates of test point

        Returns:
                True if the point lies on or inside the circle, False if outside the circle.
        """
        d = (x - circle_x) * (x - circle_x) +(y - circle_y) * (y - circle_y) 
        if d<= rad*rad:
                return True
        else:
                return False