import pygame
import random
import math

WIDTH = 700
HEIGHT = 700

WHITE = (255, 255, 255)
BLACK = (0, 0, 0)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)

pygame.init()
screen = pygame.display.set_mode((WIDTH, HEIGHT))
clock = pygame.time.Clock()
surf = pygame.Surface((500,500))
surf.fill(BLACK)
rotate_surf = pygame.Surface((500,500))
rotate_surf.fill(BLACK)
running = True
a = 250
b = 50
c = 50
d = 50
angle = 0
while running:
    clock.tick(50)
    for event in pygame.event.get():

        
        if event.type == pygame.QUIT:
            running = False   
    
    screen.fill(WHITE)

      
    for q in range(0,500,50):
     for w in range(0,500,50):
      pygame.draw.circle(surf, (255,255,255), (q,w), 10)

    rotate_surf = pygame.transform.rotate(surf,angle)
    screen.blit(rotate_surf, (0, 0))
    angle = angle + 1
    pygame.display.flip()
pygame.quit()