Kostik Iln Circle Points

import pygame
from pygame.locals import *
from pygame import Vector2

def get_points(num, pos, radius):
    p = Vector2(pos)
    v = Vector2(0, -1)
    return [p + v.rotate(d) * radius for d in range(0, 360, 360 // num)]


pygame.init()
PDR = Rect(0, 0, 500, 500)
PDS = pygame.display.set_mode(PDR.size)

points = get_points(4, PDR.center, 50)

exit_demo = False
while not exit_demo:
    for e in pygame.event.get():
        if e.type == KEYUP and e.key == K_ESCAPE:
            exit_demo = True

    PDS.fill(0)

    for i, p in enumerate(points):
        if i == 0:
            pygame.draw.circle(PDS, 0xFFFFFF, p, 5)
        else:
            pygame.draw.circle(PDS, 0xFF0000, p, 5)

    pygame.display.update()

pygame.quit()