#coding:utf-8
import pygame

pygame.init()

pygame.display.set_caption("Ma fenêtre PYGAME")
screen = pygame.display.set_mode((640, 480))

launched = True
while launched:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            print("Au revoir !")
            launched = False
        elif event.type == pygame.KEYDOWN:
            if event.unicode == 'a':
                print("Touche A pressée")
            elif event.unicode == 'b':
                print("Touche B pressée")

    pygame.display.flip()