import sys import pygame

Global constants

WIN_WIDTH = 800 WIN_HEIGHT = 600 FPS_TARGET = 30 DARK_GRAY = (0, 0, 0, 128) LIGHT_GRAY = (255, 255, 255, 128) WHITE = (255, 255, 255) BLACK = (0, 0, 0) YELLOW = (255, 255, 0) RED = (255, 0, 0) BLUE = (0, 0, 255) GREEN = (0, 255, 0)

Initialize Pygame

pygame.init()

Set up the screen and windows size

screen = pygame.display.set_mode((WIN_WIDTH, WIN_HEIGHT)) pygame.display.set_caption('')

Update the display during the main loop

running = True