Different error in my pygame program

Question

Hello i have some error that i can't resolve and i need your help please because i need to finish this in 1 week So first my program is a game 'Taupe' and i have some problem but i will tell you my most important problem, i have do a list for the apparition of my mole and another list for the apparition of the mole in precisely coordinate, mole appear but he don't disappear and that's my problem That's my code

    import pygame
import random
import time

pygame.init()

display_width = 600
display_height = 480

gameDisplay = pygame.display.set_mode((display_width, display_height))
fond = pygame.image.load("background.jpg").convert()
gameDisplay.blit(fond, (0, 0))
pygame.display.set_caption('Tape Taupe')
clock = pygame.time.Clock()

gameIcon = pygame.image.load('Taupe.png').convert_alpha()
pygame.display.set_icon(gameIcon)
Taupe1 = pygame.image.load("Taupe.png")
Taupe2 = pygame.image.load("Taupe.png")
Taupe3 = pygame.image.load("Taupe.png")
Taupe4 = pygame.image.load("Taupe.png")
Taupe5 = pygame.image.load("Taupe.png")
Taupe6 = pygame.image.load("Taupe.png")
Taupe7 = pygame.image.load("Taupe.png")
Taupe8 = pygame.image.load("Taupe.png")
Taupe9 = pygame.image.load("Taupe.png")

pygame.display.update()
Marteau = pygame.image.load('Marteau.png')


def Marteau(x, y):
    gameDisplay.blit(Marteau, (x, y))


perso1 = pygame.image.load("troutaup.png").convert_alpha()
gameDisplay.blit(perso1, (160, 55))

perso2 = pygame.image.load("troutaup.png").convert_alpha()
gameDisplay.blit(perso2, (320, 55))

perso3 = pygame.image.load("troutaup.png").convert_alpha()
gameDisplay.blit(perso3, (480, 55))

perso4 = pygame.image.load("troutaup.png").convert_alpha()
gameDisplay.blit(perso4, (160, 200))

perso5 = pygame.image.load("troutaup.png").convert_alpha()
gameDisplay.blit(perso4, (320, 200))

perso6 = pygame.image.load("troutaup.png").convert_alpha()
gameDisplay.blit(perso4, (480, 200))

perso7 = pygame.image.load("troutaup.png").convert_alpha()
gameDisplay.blit(perso4, (160, 350))

perso8 = pygame.image.load("troutaup.png").convert_alpha()
gameDisplay.blit(perso4, (320, 350))

perso9 = pygame.image.load("troutaup.png").convert_alpha()
gameDisplay.blit(perso4, (480, 350))


def game_loop():
    x = (display_width * 0.45)
    y = (display_height * 0.8)

    x_change = 0
    y_change = 0

    gameExit = False

    while not gameExit:
        Taupe = random.choice([Taupe1, Taupe2, Taupe3, Taupe4, Taupe5, Taupe6, Taupe7, Taupe8, Taupe9])
    coordinates = random.choice(
        [[160, 55], [320, 55], [480, 55], [160, 200], [320, 200], [480, 200], [160, 350], [320, 350], [480, 350]])
    gameDisplay.blit(Taupe, coordinates)
    time.sleep(10)
    gameDisplay.blit(Taupe, coordinates)

    pygame.display.update()
    clock.tick(60)

    x += x_change
    y += y_change

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            quit()


pygame.quit()