import pygame
from pygame.locals import *
import sys

pygame.init()
display = pygame.display.set_mode((300,300))
FPS_CLOCK = pygame.time.Clock()

while 1:
    for event in pygame.event.get():
        if event.type == QUIT:
            pygame.quit()
            sys.exit()
        mouse_presses = pygame.mouse.get_pressed()
        if mouse_presses[0]:
            print("Left mouse key is being pressed.")
    left, middle, right = pygame.mouse.get_pressed()
    if event.type == pygame.KEYDOWN:
        if event.key == pygame.K_1:
            pygame.mouse.set_cursor(pygame.SYSTEM_CURSOR_ARROW)
        if event.key == pygame.K_2:
            pygame.mouse.set_cursor(pygame.SYSTEM_CURSOR_HAND)
    if left:
        print("Left mouse key is being pressed.")
    pygame.display.update()
    FPS_CLOCK.tick(30)