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() 

        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)

    pygame.display.update()
    FPS_CLOCK.tick(30)