import pygame
from pygame.locals import *
 
pygame.init()
  
#Création de la fenêtre:
size = [800, 600]
fenetre = pygame.display.set_mode((size), RESIZABLE)
 
image = pygame.image.load("ton_image.png")
image.fill((255, 255, 255, 125), special_flags=BLEND_RGBA_MULT)
  
continuer = True
clock = pygame.time.Clock()
 
while continuer:
    for event in pygame.event.get():
        if event.type == QUIT:
            continuer = False
                     
    clock.tick(30)
    fenetre.fill(0)
    fenetre.blit(image, (100, 100))
    pygame.display.flip()
 
pygame.quit()