import pygame
# Define colors
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
RED = (255, 0, 0)
BLUE = (0, 0, 255)
# Initialize Pygame
pygame.init()
# Set the height and width of the screen, along with background image
screen_width = 700
screen_height = 400
screen = pygame.display.set_mode([screen_width, screen_height])
background_image = pygame.image.load("saturn_family1.jpg").convert()
#setup the main font
font = pygame.font.SysFont('Calibri', 25, True, False)
# boolean variable to indicate if we are done looping thru while loop
done = False
# Used to manage how fast the screen updates
clock = pygame.time.Clock()
# -------- Main Program Loop -----------
while not done:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            done = True
    # now clear the screen, so that we can re-add all the stuff
    screen.blit(background_image, [0, 0])
    # Go ahead and update the screen with what we've drawn.
    pygame.display.flip()
    # --- Limit to 20 frames per second - the higher the number the faster
    clock.tick(20)
pygame.quit()