import pygame
from pygame.locals import *
import sys

pygame.init()
display = pygame.display.set_mode((300, 300))

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_SPACE :
                print( "Space Key has been pressed" )
        if event.type == pygame.KEYUP :
            if event.key == pygame.K_SPACE :
                print( "Space Key has been released" )