Two Player Tic Tac Toe Game

#Tic-tac-toe Multiplayer Game by Ayan Upadhaya contact: ayanu881@gmail.com
#player one =X
#player two =O

#keyboard moves for players
#7-top left corner
#8-top middle
#9-top right corner
#4-left side
#5-middle
#6-right side
#1-bottom left corner
#2-bottom middle
#3-bottom right corner

import random

def game():

    board=[' ']*10

    playerOneLetter='x'.upper()
    playerTwoLetter='o'.upper()

    def drawBoard():
        #first we will print spaces with characters
        print(board[7]+' | '+board[8]+' | '+board[9])
        print('---'+'---'+'---')
        print(board[4]+' | '+board[5]+' | '+board[6])
        print('---'+'---'+'---')
        print(board[1]+' | '+board[2]+' | '+board[3])

    def whoGoesfirst():
        #checks to see who goes first
        letter=random.choice(['X','O'])
        if letter=='X':
            return "playerOne"
        return "playerTwo"

    def isSpaceFree(board,move):
        #checks to see if the move spot is free to pass the move on board
        if board[move]==" ":
            return True

    def isPlayerOneWinner(board):
        #first passing the board which is a list to check every possible condition
        #if player one wins return true
        if((board[7]=='X' and board[8]=='X' and board[9]=='X') or #horizontal
        (board[4]=='X' and board[5]=='X' and board[6]=='X') or
        (board[1]=='X' and board[2]=='X' and board[3]=='X') or
        (board[7]=='X' and board[4]=='X' and board[1]=='X') or #vertical
        (board[8]=='X' and board[5]=='X' and board[2]=='X') or
        (board[9]=='X' and board[6]=='X' and board[3]=='X') or
        (board[7]=='X' and board[5]=='X' and board[3]=='X') or #diagonal
        (board[1]=='X' and board[5]=='X' and board[9]=='X')):
            return True

    def isPlayerTwoWinner(board):
        #first passing the board which is a list to check every possible condition
        #if player two wins return true
        if((board[7]=='O' and board[8]=='O' and board[9]=='O') or #horizontal
        (board[4]=='O' and board[5]=='O' and board[6]=='O') or
        (board[1]=='O' and board[2]=='O' and board[3]=='O') or
        (board[7]=='O' and board[4]=='O' and board[1]=='O') or #vertical
        (board[8]=='O' and board[5]=='O' and board[2]=='O') or
        (board[9]=='O' and board[6]=='O' and board[3]=='O') or
        (board[7]=='O' and board[5]=='O' and board[3]=='O') or #diagonal
        (board[1]=='O' and board[5]=='O' and board[9]=='O')):
            return True


    #just draw the board first
    drawBoard()
    print()#for space
    turn=whoGoesfirst()
    print(f'{turn}'+' is going first')
    print()#for space

    #thegameloop
    totalmoves=0
    while totalmoves!=9:

        if turn=='playerOne':
            print("Give a move playerone:")
            try:
                moveOne=int(input())
                if moveOne in [1,2,3,4,5,6,7,8,9] and isSpaceFree(board,moveOne):
                    board[moveOne]=playerOneLetter
                else:
                    continue
            except ValueError:
                continue
            drawBoard()
            turn='playerTwo'
        else:
            print("Give a move playertwo:")
            try:
                moveTwo=int(input())
                if moveTwo in [1,2,3,4,5,6,8,7,9] and isSpaceFree(board,moveTwo):
                    board[moveTwo]=playerTwoLetter
                else:
                    continue
            except ValueError:
                continue
            drawBoard()
            turn='playerOne'

        if isPlayerOneWinner(board):
            print("Player One wins the game")
            break
        if isPlayerTwoWinner(board):
            print("Player two wins the game")
            break

        totalmoves+=1

    if totalmoves==9:
        print("It's a tie")
#mainloop
choice=''
while choice!='n':
    choice=input("Do you want to play a game,y/n?:").lower()
    if choice in ['y','n']:
        if choice=='y':
            game()
    else:
        continue