import pygame
import random
import math
pygame.init()

win = pygame.display.set_mode((500,500))
pygame.display.set_caption("")
pygame.time.set_timer(pygame.USEREVENT, 1000)
size = 50
run = True
while run:
   

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            run = False
        if event.type == pygame.KEYDOWN:
          if event.key == pygame.K_RETURN:
           pygame.image.save(win, "image.jpg")
        if event.type == pygame.USEREVENT:
         size = size + 5        
    for i in range(0,360,30):
     center_x = 250
     center_y = 250
     x = center_x + math.cos(math.radians(i))*size;
     y = center_y + math.sin(math.radians(i))*size;
     pygame.draw.line(win, (255,255,255), [center_x, center_y], [x, y], 3)
    pygame.display.update() 

pygame.quit()