import pygame
import sys
import random

pygame.init()
 
sc = pygame.display.set_mode((500, 500))
sc.fill((0, 0, 0))
color1 =(random.randint(0,255),random.randint(0,255),random.randint(0,255))
color2 =(random.randint(0,255),random.randint(0,255),random.randint(0,255))

while 1:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            sys.exit()
        if event.type == pygame.KEYDOWN:
         if event.key == pygame.K_RETURN:
          pygame.image.save(sc, "image.jpg")
          color1 =(random.randint(0,255),random.randint(0,255),random.randint(0,255))
          color2 =(random.randint(0,255),random.randint(0,255),random.randint(0,255))

    for x in range(10):
     for y in range(10):
      if (x + y) % 4 == 0:
       pygame.draw.rect(sc,color1,(50*x,50*y,50,50))
      else:
       pygame.draw.rect(sc,color2,(50*x,50*y,50,50))

    pygame.display.update()