import sys 
import pygame

pygame.init() #starts the timer
screen = pygame.display.set_mode((800,800)) #pygame window dimensions = 800*800
clock = pygame.time.Clock() #initiates pygame clock

while True: #makes a loop for this event        
    for event in pygame.event.get(): #registers mouse clicks or any inputs during loops
        if event.type == pygame.QUIT: #window close check
            pygame.quit() #shuts pygame down properly
            sys.exit() #exit Python
        if event.type == pygame.KEYDOWN: #REGISTERS DOWN ARROW ON KEYBOARD
            button_press_time = pygame.time.get_ticks()
            screen.fill((255,255,255))
    
    current_time = pygame.time.get_ticks()

    if current_time == button_press_time > 2000:
        screen.fill((0,0,0))
    
    print(f"current time: {current_time} button press time: {button_press_time}")
    pygame.display.flip() #visual changes update
    clock.tick(60) #game fps lock