tic tac toe.py

from tkinter import *
from tkinter import messagebox
import random as r

def button(frame):
    b=Button(frame,padx=1,bg="papaya whip",width=3,text=" ",font=('arial',60,'bold'),relief="sunken",bd=10)
    return b

def change_a():
    global a
    for i in ['0','X']:
        if not(i==a):
            a=1
            break

def reset():
    global a
    for i in range (3):
        for j in range (3):
             b[i][j]["text"]="  "
             b[i][j]["state"]=NORMAL

    a=r.choice(['0','X'])

def Check():
    for i in range (3):
        if(b[i][0]["text"] == b[i][1]["text"]== b[i][2]["text"]==a or b[0][i]["text"]==b[1][i]["text"]==b[2][i]["text"]==a):
            messagebox.showinfo("Congrats!!"," ' "+a+ "has won")
            reset()

        if b[0][0]["text"]==b[1][1]["text"]==b[2][2]["text"]==a or b[0][2]["text"]==b[1][1]["text"]==b[2][0]["text"]==a:
            messagebox.showinfo("Congrats!!","'"+a+"has won")
            reset()

        elif(b[0][0]["state"]==b[0][1]["state"]==b[0][2]["state"]==b[1][0]["state"]==b[1][1]["state"]==b[1][2]["state"]==b[2][0]["state"]==[2][1]["state"]==b[2][2]["state"]==DISABLED):
            messagebox.showinfo("tied!!", "the match ended in draw")
            reset()

def click(row,col):
        b[row][col].config(text=a,state=DISABLED,disabledforeground=Colour[a])
        Check()
        change_a()
        Label.config(text=a+" 's chance")

root=Tk()
root.title("tic tak toe")
a=r.choice(['0','X'])
Colour={'0':"deep sky blue",'X':"lawn green"}

b=[[],[],[]]
for i in range(3):
    for j in range(3):
        b[i].append(button(root))
        b[i][j].config(command=lambda row=i,col = j:click(row,col))
        b[i][j].grid(row=i,column=j)

        label=Label(text=a+" 's chance",font=('arial',20,'bold'))
        label.grid(row=3,column=0,columnspan=3)
        root.mainloop()