matching emoji game

import os
from random import shuffle, randint
from guizero import App, Box, Picture, PushButton, Text

# set the path to the emoji folder on your computer
emojis_dir = "emojis"
# create a list of the locations of the emoji images
emojis = [os.path.join(emojis_dir, f) for f in os.listdir(emojis_dir) if os.path.isfile(os.path.join(emojis_dir, f))]
# shuffle the emojis
shuffle(emojis)

def match_emoji(matched):
    if matched:
        result.value = "correct"
    else:
        result.value = "incorrect"

    setup_round()



def setup_round():
    # for each picture and button in the list assign an emoji to its image feature
    for picture in pictures:
        # make the picture a random emoji
        picture.image = emojis.pop()

    for button in buttons:
        # make the image feature of the PushButton a random emoji
        button.image = emojis.pop()
        # set the command to be called and pass False, as these emoji wont be the matching ones
        button.update_command(match_emoji, [False])

    # choose a new emoji
    matched_emoji = emojis.pop()

    # select a number at random
    random_picture = randint(0,8)
    # change the image feature of the Picture with this index in the list of pictures to the new emoji
    pictures[random_picture].image = matched_emoji

    random_button = randint(0,8)
    # change the image feature of the PushButton with this index in the list of buttons to the new emoji
    buttons[random_button].image = matched_emoji
    # set the command to be called and pass True, as this is the matching emoji
    buttons[random_button].update_command(match_emoji, [True])

# setup the app
app = App("emoji match")
def decrease():
    timer.value = int(timer.value) - 1
    if  int(timer.value)== 0:

        game_box.destroy()
        timer.value="Game over!"
result = Text(app)
timer = Text(app, text=30)
timer.repeat(1000, decrease)
# create a box to house the grids
game_box = Box(app)

# create a box to house the pictures
pictures_box = Box(game_box, layout="grid")
# create a box to house the buttons
buttons_box = Box(game_box, layout="grid")

# create the an empty lists to add the buttons and pictures to
buttons = []
pictures = []
# create 9 PushButtons with a different grid coordinate and add to the list
for x in range(0,3):
    for y in range(0,3):
        # put the pictures and buttons into the lists
        picture = Picture(pictures_box, grid=[x,y])
        pictures.append(picture)

        button = PushButton(buttons_box, grid=[x,y])
        buttons.append(button)

setup_round()

app.display()