PROJECT_3_Game_of_Tic-Tac-Toe.PY

import tkinter as tk
from tkinter import messagebox

def check_winner():
    global winner
    for combo in [[0,1,2],[3,4,5],[6,7,8],
                  [0,3,6],[1,4,7],[2,5,8],
                  [0,4,8],[2,4,6]]:
        
        if buttons[combo[0]]["text"] == buttons[combo[1]]["text"] == buttons[combo[2]]["text"] != "":
            
            # highlight winner
            for i in combo:
                buttons[i].config(bg="green")
            
            messagebox.showinfo("Tic-Tac-Toe", f"Player {buttons[combo[0]]['text']} wins!")
            winner = True
            
            # disable all buttons
            for b in buttons:
                b.config(state="disabled")

def button_click(index):
    if buttons[index]["text"] == "" and not winner:
        buttons[index]["text"] = current_player
        check_winner()
        if not winner:
            toggle_player()

def toggle_player():
    global current_player
    current_player = "X" if current_player == "O" else "O"
    label.config(text=f"Player {current_player}'s turn")

# main window
root = tk.Tk()
root.title("Tic-Tac-Toe")

buttons = [
    tk.Button(root, text="", font=("normal",25),
              width=6, height=2,
              command=lambda i=i: button_click(i))
    for i in range(9)
]

# grid layout
for i, button in enumerate(buttons):
    button.grid(row=i // 3, column=i % 3)

current_player = "X"
winner = False

label = tk.Label(root, text=f"Player {current_player}'s turn", font=("normal",16))
label.grid(row=3, column=0, columnspan=3)

root.mainloop()