Tic tac toe game

[biros1112]

def display_board(board):
"""Display Tic-Tac-Toe board."""
for row in board:
print("|".join(row))
print("-----")

def check_winner(board):
"""Check if there is a winner."""
# Check rows
for row in board:
if row[0] == row[1] == row[2] != ' ':
return row[0]

# Check columns
for col in range(3):
    if board[0][col] == board[1][col] == board[2][col] != ' ':
        return board[0][col]

# Check diagonals
if board[0][0] == board[1][1] == board[2][2] != ' ':
    return board[0][0]
if board[0][2] == board[1][1] == board[2][0] != ' ':
    return board[0][2]

return None

def check_tie(board):
"""Check if the game is a tie."""
for row in board:
for cell in row:
if cell == ' ':
return False
return True

def get_player_move(board, player):
"""Get valid player move."""
while True:
try:
move = input(f"Player {player}, enter your move (row[0-2] column[0-2]): ")
row, col = map(int, move.split())
if board[row][col] == ' ':
return row, col
else:
print("That position is already taken. Try again.")
except ValueError:
print("Invalid input. Please enter row and column as numbers.")

def play_game():
"""Run Tic-Tac-Toe game."""
board = [[' ']*3 for _ in range(3)]
current_player = 'X'

while True:
    display_board(board)
    row, col = get_player_move(board, current_player)
    board[row][col] = current_player

    if check_winner(board):
        display_board(board)
        print(f"Player {current_player} wins!")
        break
    elif check_tie(board):
        display_board(board)
        print("It's a tie!")
        break

    current_player = 'O' if current_player == 'X' else 'X'

if name == "main":
play_game()