import pygame, sys

pygame.init()

screen = pygame.display.set_mode((500,700))
pygame.display.set_caption("Professor Chiang's Game")
                           

# Setting the main program loop
while True:
    # Main event loop
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()
    pygame.display.update()