import pygame
from pygame.locals import *
import sys 

pygame.init()
display = pygame.display.set_mode((500,500))
FPS_CLOCK = pygame.time.Clock()

while 1:
    for event in pygame.event.get():
        if event.type == QUIT:
            pygame.quit()
            sys.exit()


    left, middle, right = pygame.mouse.get_pressed()

    if left:
        print("Left mouse button pressed")
    elif right:
        print("Right mouse button pressed")
    elif middle:
        print("Middle mouse button pressed")
    
    pygame.display.update()
    FPS_CLOCK.tick(30)