Logic

#While loop to keep running the game
print('Welcome to Tic Tac Toe')

while True:
    
    #Play the game
    #Set everything up(board, who is first, choose markers (X,O)
    the_board=['']*10
    player1_marker,player2_marker=player_input()
    
    turn= choose_first()
    print(turn + 'will go first')
    
    play_game= input('Ready to play? Y or N?')
    
    if play_game=='Y':
        game_on= True
    else:
        game_on=False
        
    #game play
    while game_on:
        if turn=='Player 1':
            #show board
            display_board(the_board)
            
            #choose a position
            position=player_choice(the_board)
            
            #place the marker on the position
            place_marker(the_board,player1_marker,position)
            
            #Check if they win
            if win_check(the_board,player1_marker,position):
                display_board(the_board)
                print('Player 1 has won!')
                game_on=False
            else:
                if full_board_check(the_board):
                    display_board(the_board)
                    print("TIE GAME")
                    break
                else:
                    turn='Player 2'
            
            #Or check if there is a tie
            #No win and no win? Next players turn
            
        else:
            #show the board
            display_board(the_board)
            
            #choose a position
            position=player_choice(the_board)
            
            #place the marker on the position
            place_marker(the_board,player2_marker,position)
            
            #Check if they win
            if win_check(the_board,player2_marker,position):
                display_board(the_board)
                print('Player 2 has won!')
                game_on=False
            else:
                if full_board_check(the_board):
                    display_board(the_board)
                    print("TIE GAME")
                    break
                else:
                    turn='Player 1'
    
    #player 1 turn
    
    #player 2 turn