Tkinter - making specific ranges of the window into variables

I suggest using a 3x3 array to store data and then use some if statements to detect the 3 in a row. I remember creating Tic-Tac-Toe in tkinter and this is the method I used.

from tkinter import *tk = Tk()width = 600third = width / 3canvas = Canvas(width=width, height=width)tk.title = "Tic Tac Toe"line1 = canvas.create_line(200, 0, 200, 600)line2 = canvas.create_line(400, 0, 400, 600)line3 = canvas.create_line(0, 200, 600, 200)line4 = canvas.create_line(0, 400, 600, 400)game_board = [['' for x in range(3)] for y in range(3)]class XsorOs:    def __init__(self):        self.turn = 0        self.clicked = []    def click(self, row, col):        if (row, col) not in self.clicked:            if self.turn % 2 == 0:                canvas.create_line(col * third, row * third, (col + 1) * third, (row + 1) * third)                canvas.create_line((col + 1) * third, row * third, col * third, (row + 1) * third)                self.turn += 1                game_board[row][col] = 'x'            elif self.turn % 2 == 1:                canvas.create_oval(col * third + 5, row * third + 5, (col + 1) * third - 5, (row + 1) * third - 5)                self.turn += 1                game_board[row][col] = 'o'        ## add some if statements to detect diagonals, horizontals and verticals in a row.def mouse_click(c, event):    col = int(event.x / third)    row = int(event.y / third)    c.click(row, col)xo = XsorOs()canvas.pack()canvas.bind("<Button-1>", lambda event: mouse_click(xo, event))canvas.mainloop()