import math

class Point:
    __x__ = 0.0
    __y__ = 0.0

    def __init__(self, x = 0.0, y = 0.0):
        self.__x__ = x
        self.__y__ = y

    def __str__(self):
        return f"({self.__x__:.3f},{self.__y__:.3f})"

    def __neg__(self):
        return Point(-self.__x__, -self.__y__)

    def __add__(self, other):
        x = 0.0
        y = 0.0

        if isinstance(other, Point):
            return Point(self.__x__ + other.__x__, self.__y__ + other.__y__)
        elif isinstance(other, int) or isinstance(other, float):
            return Point(self.__x__ + other, self.__y__ + other)
        else:
            raise ValueError("Operand must be Point, int or float.")

    def __radd__(self, other):
        return self + other

    def __sub__(self, other):
        if isinstance(other, Point) or isinstance(other, int) or isinstance(other, float):
            return self + (-other)
        else:
            raise ValueError("Operand must be Point, int or float.")

    def __rsub__(self, other):
        return self - other

    def __mul__(self, other):
        if isinstance(other, Point):
            return Point(self.__x__ * other.__x__, self.__x__ * other.__y__)
        elif isinstance(other, int) or isinstance(other, float):
            return Point(self.__x__ * other, self.__x__ * other)
        else:
            raise ValueError("Operand must be Point, int or float.")

    def __rmul__(self, other):
        return self * other

    def rot(self, degree):
        x =  math.cos(degree) * self.__x__ + math.sin(degree) * self.__y__
        y =  -math.sin(degree) * self.__x__ + math.cos(degree) * self.__y__
        return Point(x, y)

    def get_x(self):
        return self.__x__

    def get_y(self):
        return self.__y__

p1 = Point()
p2 = Point(1, 1)

print(p2.rot(math.pi * 2))