from tkinter import *
from random import *
from time import *
from tkinter import messagebox

root = Tk()
root.title('Мемори')
root.resizable(0,0)

symbols = [u'\u2702', u'\u2702', u'\u2705', u'\u2705', u'\u2708', u'\u2708', u'\u2709',u'\u2709',
           u'\u2716',u'\u2716',u'\u2714',u'\u2714',u'\u2728',u'\u2728',u'\u270A',u'\u270A',u'\u270B',
           u'\u270B',u'\u270C',u'\u270C',u'\u270F',u'\u270F',u'\u2712',u'\u2712',]
shuffle(symbols)
first = True
prevX = 0
prevY = 0
buttons = {}
button_symbols = {}
cnt = 0
pairs = 0

def on_click(event):
    t = event.widget
    y = int(t.grid_info()['row'])
    x = int(t.grid_info()['column'])
    global first
    global prevX, prevY
    global cnt
    global pairs
    buttons[x, y]['text'] = button_symbols[x, y]
    buttons[x, y].update_idletasks()

    if first:
        prevX = x
        prevY = y
        first = False
        cnt += 1
    elif prevX != x or prevY != y:
            if buttons[x, y]['text'] != buttons[prevX, prevY]['text']:
                sleep(0.5)
                buttons[x, y]['text'] = ''
                buttons[prevX, prevY]['text'] = ''
            else:
                buttons[x,y].config(bg = 'skyblue')
                buttons[prevX,prevY].config(bg = 'skyblue')
                buttons[x,y].unbind('<Button-1>')
                buttons[prevX,prevY].unbind('<Button-1>')
                pairs += 1
            first = True
            if pairs == len(buttons) // 2:
                messagebox.showinfo('Количество ходов', 'Сделано ходов: '+ str(cnt))

for x in range(6):
    for y in range(4):
        button = Button(font = 'Verdana 24', width = 3)
        button.grid(column = x, row = y, padx = 5, pady = 5)
        button.bind('<Button-1>', on_click)
        buttons[x, y] = button
        button_symbols[x, y] = symbols.pop()

root.mainloop()