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():
        print(pygame.mouse.get_pos())
        print(pygame.mouse.get_rel())
        if event.type == QUIT:
            pygame.quit()
            sys.exit()

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