17.Tic-Tac-Toe.py

 import tkinter as tk

from tkinter import messagebox

# Initialize current player as "X" and set winner flag to False
current_player = "X"
winner = False


# Function to check for a winner
def who_wins():
    global winner
    # List of winning combinations
    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]]:
        # Check if the buttons in the current combination have the same text and are not empty
        if buttons[combo[0]]["text"] == buttons[combo[1]]["text"] == buttons[combo[2]]["text"] != " ":
            # Highlight the winning combination with a green background
            buttons[combo[0]].config(bg="green")
            buttons[combo[1]].config(bg="green")
            buttons[combo[2]].config(bg="green")
            # Show a message box declaring the winner
            messagebox.showinfo("Tic-Tac-Toe", f"Player {buttons[combo[0]]['text']} wins!")
            # Set winner flag to True
            winner = True
            return

    # Check for a tie
    if all(button["text"] != " " for button in buttons) and not winner:
        # Show a message box declaring a tie
        messagebox.showinfo("Tic-Tac-Toe", "It's a tie!")
        buttons[combo[0]].config(bg="red")
        buttons[combo[1]].config(bg="red")
        buttons[combo[2]].config(bg="red")
        buttons[combo[3]].config(bg="red")
        buttons[combo[4]].config(bg="red")
        buttons[combo[5]].config(bg="red")
        buttons[combo[6]].config(bg="red")
        buttons[combo[7]].config(bg="red")
        buttons[combo[8]].config(bg="red")
        # Set winner flag to True
        winner = True


# Function to handle button clicks
def button_click(index):
    # Check if the button is empty and the game is not over
    if buttons[index]["text"] == " " and not winner:
        # Set the button's text to the current player's symbol
        buttons[index]["text"] = current_player
        # Check for a winner after the current move
        who_wins()
        # Switch to the other player's turn
        toggle_player()


# Function to toggle between players
def toggle_player():
    global current_player
    # Switch between "X" and "O"
    current_player = "X" if current_player == "O" else "O"
    # Update the label to show whose turn it is
    label.config(text=f"Player {current_player}'s turn")


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

# Create buttons for the game board
buttons = [tk.Button(root, text=" ", font=("normal", 30), width=5, height=2, command=lambda i=i: button_click(i)) for i in range(9)]

# Place the buttons in a 3x3 grid layout
for i, button in enumerate(buttons):
    button.grid(row=i // 3, column=i % 3)

# Create a label to display whose turn it is
label = tk.Label(root, text=f"Player {current_player}'s turn", font=("normal", 15))
# Place the label below the game board
label.grid(row=3, column=0, columnspan=3)

# Start the tkinter event loop
root.mainloop()