Tic tac toe

gistfile1.txt

# Function to print the current state of the board
def print_board(board):
    # Iterate over the board in steps of 3 to print each row
    for i in range(1, 10, 3):
        # Print the current row of the board with corresponding values
        print(f"{i}: {board[i]}  {i+1}: {board[i+1]}  {i+2}: {board[i+2]}\n")

# Function to check if there's a winner
def check_win(board):
    # Define all possible winning combinations
    winning_combinations = [(1, 2, 3), (4, 5, 6), (7, 8, 9), (1, 4, 7), (2, 5, 8), (3, 6, 9), (1, 5, 9), (3, 5, 7)]
    # Iterate through each winning combination
    for combo in winning_combinations:
        # Check if the current combination is a winning one
        if board[combo[0]] == board[combo[1]] == board[combo[2]] and board[combo[0]] != ' ':
            # Return True if a winning combination is found
            return True
    # Return False if no winning combination is present
    return False

# Main function to play Tic Tac Toe
def tic_tac_toe():
    # Initialize the board with numbers 1 to 9 as keys and blank spaces as values
    board = {i: ' ' for i in range(1, 10)}
    # Print the initial empty board
    print_board(board)
    
    current_player = 'x'  # Start with player 'x'
    # Loop for each turn in the game (maximum of 9 turns)
    for _ in range(9):
        try:
            # Prompt the current player to pick a number between 1 and 9
            move = int(input(f"Player {current_player}, pick a number between 1 and 9: "))
            # Check if the chosen number is outside the valid range
            if move < 1 or move > 9:
                # Inform the player about the invalid number and continue the loop
                print("Invalid number. Please choose a number between 1 and 9.")
                continue
            
            # Check if the chosen spot is available
            if board[move] == ' ':
                # Assign the current player's symbol ('x' or 'o') to the chosen spot
                board[move] = current_player
                # Print the updated board
                print_board(board)
                
                # Check for a winning condition after the move
                if check_win(board):
                    # Announce the winner and exit the game
                    print(f"Player {current_player} wins!")
                    return
                # Switch to the other player for the next turn
                current_player = 'o' if current_player == 'x' else 'x'
            else:
                # If the chosen spot is already taken, ask for a different number
                print("That spot is already taken. Please choose another.")
        except ValueError:
            # Handle the case where the input is not a number
            print("Please enter a valid number.")
    
    # If the loop completes without a winner, declare a tie
    print("It's a tie!")

# Start the game by calling the main function
tic_tac_toe()