game.py

from IPython.display import clear_output

 def display_board(board):
     clear_output()
     print("     |     |    ")
     print('  '+board[1]+'  '+'|'+'  '+board[2]+'  '+'|'+'  '+board[3])
     print("_____|_____|_____")
     print("     |     |    ")
     print('  '+board[4]+'  '+'|'+'  '+board[5]+'  '+'|'+'  '+board[6])
     print("_____|_____|_____")
     print("     |     |    ")
     print('  '+board[7]+'  '+'|'+'  '+board[8]+'  '+'|'+'  '+board[9])
     print("     |     |    ")
 def player_input():

     marker = ''

     #keep asking the user for the input ie, X or O 
     while marker != 'X' and marker!='O':
         marker=input("Player 1 choose x or o: ")

     player1=marker

     if player1=='X':
         player2='O'
     else:
         player2='X'

     return (player1,player2)
 def place_marker(board,marker,position):
     board[position]=marker
 def win_check(board,mark):
     return ((board[7] == mark and board[8] == mark and board[9] == mark) or # bottom row
     (board[4] == mark and board[5] == mark and board[6] == mark) or # midddle row
     (board[1] == mark and board[2] == mark and board[3] == mark) or # first row
     (board[7] == mark and board[4] == mark and board[1] == mark) or # down the middle
     (board[8] == mark and board[5] == mark and board[2] == mark) or # down the middle
     (board[9] == mark and board[6] == mark and board[3] == mark) or # down the right side
     (board[7] == mark and board[5] == mark and board[3] == mark) or # diagonal
     (board[9] == mark and board[5] == mark and board[1] == mark)) # diagonal
 import random

 def choose_first():
     if random.randint(1,2)==1:
         return 'PLAYER 1'
     else:
         return 'PLAYER 2'
  def space_check(board, position):
     if board[position]=='' or board[position]==' ':
         return True
     else:
         return False
  def full_board_check(board):
     for i in range(1,9):
         if space_check(board,i):
             return False
     return True
  def player_choice(board):
     position=0

     while position not in [1,2,3,4,5,6,7,8,9] or not space_check(board,position):
         position = int(input('Choose your next position: (1-9)'))

     return position
 def replay():
     play=input("do you want to continue playing? Y/N")
     play=play.upper()

     if play=='Y':
         return True
     else:
         return False
 print ('WELCOME TO TIC TIC TOE!!!')

 while True:

     theboard=[' ']*10
     player1_marker,player2_marker= player_input()
     turn=choose_first()
     print(turn + 'will go first!')

     play_game=input('Are you ready to play? Enter Y/N')
     if play_game.upper()=='Y':
         game_on=True
     else:
         game_on=False

     while game_on:
         if turn=='Player 1':

             #PLAYER1'S TURN
             display_board(theboard)
             position=player_choice(theboard)
             place_marker(theboard,player1_marker,position)

             if win_check(theboard, player1_marker):
                 display_board(theboard)
                 print('CONGRATULATIONS!!! Player 1 Has Won The Game!')
                 game_on=False
             else:
                 if full_board_check(theboard):
                     diplay_board(theboard)
                     print('The game is a draw!')
                     break
                 else:
                     turn='Player 2'


         else:

             #PLAYER2'S TURN
             display_board(theboard)
             position=player_choice(theboard)
             place_marker(theboard,player2_marker,position)

             if win_check(theboard, player2_marker):
                 display_board(theboard)
                 print('CONGRATULATION!!! Player 2 Has Won The Game!')
                 game_on=False
             else:
                 if full_board_check(theboard):
                     display_board(theboard)
                     print('The game is a draw!')
                     break
                 else:
                     turn='Player 1'



         if not replay():
             break