OX Game file1

############### Game mechanics functions ###############

from OX_Game_file2 import PlayWithAi

# Return 0 if Draw ,
# 1 first play win ,
# -1 the second player win
# 3 continue the Game
def TerminalState(Game, playerTurn):

    if playerTurn == 1:
        utility = -1
    else:
        utility = 1

    # End of the Game
    for i in range(3):
        if Game[i*3] == Game[(i*3)+1] == Game[(i*3)+2]:
            return utility

        elif Game[i] == Game[i+3] == Game[i+6]:
            return utility

    if Game[0] == Game[4] == Game[8]:
        return utility

    elif Game[2] == Game[4] == Game[6]:
        return utility


    possibleActions = 0

    for i in range(9):

        if Game[i] != "O" and Game[i] != "X":
            possibleActions += 1

    if possibleActions == 0:
        return 0

    return 3

############### Game display functions ###############
def ShowGame(Game):

    print()

    for x in range(9):

        if (x+1)%1 == 0:
            print(" ", end = "")

        print(Game[x], end = "  ")

        if (x+1)%3 == 0:
            print("\n")

# Check the possibility of player choose
def CheckAction(number, Game, OX):

    while True:

        if number.isnumeric():
            number = int(number)
        else:
            number = input("Try Again: ")
            continue

        if number == Game[number - 1]:
            Game[number-1] = OX
            return
        else:
            number = input("Try Again: ")

# Two Players Mode
def TwoPlayers(players, OX, Game):

    playerTurn = 0

    while True:

        ShowGame(Game)

        print(players[playerTurn], ": ", end = "")

        CheckAction (input(), Game, OX)

        Terminal = TerminalState(Game, playerTurn)

        if Terminal == 1 or Terminal == -1:
            ShowGame(Game)
            print("\n", players[playerTurn], "Win!\n")
            return

        elif Terminal == 0:
            ShowGame(Game)
            print("\nDraw!\n")
            return

        # Change players
        if playerTurn == 1:
            playerTurn = 0
        else:
            playerTurn += 1

        # Change OX
        if OX == "O":
            OX = "X"
        else:
            OX = "O"

    return

############### Game Menu functions ###############

def start(players, OX):

    while True:
        print("\n\t----- New Game -----\n",
                 "1. Play with AI\n",
                 "2. Two players\n",
                 "3. Return\n")

        Game = []
        for i in range(9):
            Game.append(i+1)

        select = input(" Select: ")

        if select == "1":

            PlayWithAi(Game, OX)

            Game = []
            for i in range(9):
                Game.append(i+1)

        elif select == "2":
            TwoPlayers(players, OX, Game)
            Game = []
            for i in range(9):
                Game.append(i+1)

        elif select == "3":
            return

        else:
            select = input(" Try Again: ")


def playerName():

    print("\n\t----- Players' Name -----\n")
    player = []

    player.append(input(" Player1: "))
    player.append(input(" Player2: "))

    return player


def selectOX():
    print("\n\t----- select either O or X -----\n")
    select = input(" Select: ")

    while True:
        if select.lower() == "o":
            return "O"

        elif select.lower() == "x":
            return "X"

        else:
            select = input(" Try Again: ")


def menu():

    players = ["Player1", "Player2"]
    OX = "O"

    while True:
        print("\n\t----- O/X Game -----\n",
                 "1. Start new game\n",
                 "2. Player name\n",
                 "3. Select O or X\n",
                 "4. Exit\n")

        select = input(" Select: ")

        while True:

            if select == "1":
                start(players, OX)

            elif select == "2":
                players = playerName()

            elif select == "3":
                OX = selectOX()

            elif select == "4":
                print("\n\n Thank you for playing\n")
                return

            else:
                select = input(" Try Again: ")
                continue

            break


menu()