memory game

from random import *

from turtle import *

screen = Screen()

screen.bgcolor("yellow")

def Square(x, y):

    up()

    goto(x, y)

    down()

    color('white', 'red')

    begin_fill()

    for count in range(4):

        forward(50)

        left(90)

    end_fill()

def numbers(x, y):

    return int((x + 200) // 50 + ((y + 200) // 50) * 8)

def Coordinates(count):

    return (count % 8) * 50 - 200, (count // 8) * 50 - 200

def click(x, y):

    spot = numbers(x, y)

    mark = state['mark']

    if mark is None or mark == spot or tiles[mark] != tiles[spot]:

        state['mark'] = spot

    else:

        hide[spot] = False

        hide[mark] = False

        state['mark'] = None

def draw():

    clear()

    goto(0, 0)

    stamp()

    for count in range(64):

        if hide[count]:

            x, y = Coordinates(count)

            Square(x, y)

    mark = state['mark']

    if mark is not None and hide[mark]:

        x, y = Coordinates(mark)

        up()

        goto(x + 2, y)

        color('white')

        write(tiles[mark], font=('Arial', 30, 'normal'))

    update()

    ontimer(draw, 10)

tiles = list(range(32)) * 2

state = {'mark': None}

hide = [True] * 64

shuffle(tiles)

tracer(False)

onscreenclick(click)

draw()

done()