tictactoe

import sys

board = ["*", "*", "*", "*", "*", "*", "*", "*", "*"]
xMove = int
oMove = int
turnNum = 1

def printBoard():
    print(board[0], end=" ")
    print(board[1], end=" ")
    print(board[2])
    print(board[3], end=" ")
    print(board[4], end=" ")
    print(board[5])
    print(board[6], end=" ")
    print(board[7], end=" ")
    print(board[8])

def xTurn():
    global turnNum
    xMove = input("X's turn. Input a number from 1 to 9.\n")
    try:
        xMove = int(xMove)
    except ValueError:
        print("Invalid move. Try again.")
        xTurn()
    if xMove < 1 or xMove > 9:
        print("Invalid move. Try again.")
        xTurn()
    elif board[xMove - 1] != "*":
        print("Invalid move. Try again.")
        xTurn()
    else:
        board[xMove - 1] = "X"
        printBoard()
        turnNum = turnNum + 1
        winCheck()
        oTurn()

def oTurn():
    global turnNum
    oMove = input("O's turn. Input a number from 1 to 9.\n")
    try:
        oMove = int(oMove)
    except ValueError:
        print("Invalid move. Try again.")
        xTurn()
    if oMove < 1 or oMove > 9:
        print("Invalid move. Try again.")
        oTurn()
    elif board[oMove - 1] != "*":
        print("Invalid move. Try again.")
        oTurn()
    else:
        board[oMove - 1] = "O"
        printBoard()
        turnNum = turnNum + 1
        winCheck()
        xTurn()

def winCheck():
    if (board[0] == "X" and board[1] == "X" and board[2] == "X") or (board[3] == "X" and board[4] == "X" and board[5] == "X") or (board[6] == "X" and board[7] == "X" and board[8] == "X") or (board[0] == "X" and board[3] == "X" and board[6] == "X") or (board[1] == "X" and board[4] == "X" and board[7] == "X") or (board[2] == "X" and board[3] == "X" and board[8] == "X") or (board[0] == "X" and board[4] == "X" and board[8] == "X") or (board[2] == "X" and board[4] == "X" and board[6] == "X"):
        print("X wins.")
        input("Press ENTER to exit.")
        sys.exit(0)
    elif (board[0] == "O" and board[1] == "O" and board[2] == "O") or (board[3] == "O" and board[4] == "O" and board[5] == "O") or (board[6] == "O" and board[7] == "O" and board[8] == "O") or (board[0] == "O" and board[3] == "O" and board[6] == "O") or (board[1] == "O" and board[4] == "O" and board[7] == "O") or (board[2] == "O" and board[3] == "O" and board[8] == "O") or (board[0] == "O" and board[4] == "O" and board[8] == "O") or (board[2] == "O" and board[4] == "O" and board[6] == "O"):
        print("O wins.")
        input("Press ENTER to exit.")
        sys.exit(0)
    elif turnNum < 10: pass
    else:
        print("Tie.")
        input("Press ENTER to exit.")
        sys.exit(0)

print("1 2 3\n4 5 6\n7 8 9\n")
xTurn()