import pygame



def run_game():
    
    ## Initialize the pygame submodules and set up the display window.
    pygame.init()

    width = 640
    height = 480
    game_window = pygame.display.set_mode((width,height))

    one_guy_pic = pygame.image.load("WalkingSquare1.gif")
    one_guy_pic = one_guy_pic.convert()

    guy_x = 100
    guy_y = 100

    ## The game loop starts here.
    keepGoing = True    
    while (keepGoing):

        ## Handle events.
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                keepGoing = False


        ## Draw picture and update display
        game_window.fill(pygame.color.Color("yellowgreen"))

        game_window.blit(one_guy_pic,(guy_x,guy_y))

        pygame.display.update()


    ## The game loop ends here.
    pygame.quit()


## Call the function run_game.
run_game()