main.py

## Thing's Required:

    # The Board
    # We Need To Display The Board
    # Play The Game 
    # Handle Turns
    # Check Win:
        #Check Rows
        #Check Coloums
        #Check Diagnols
    # Check If Tie
    # Flip The Player

board = ["-","-","-",
        "-","-","-",
        "-","-","-"]

game_still_going = True

winner = None

current_player = 'X'

def display_board():
    print(board[0] + "|" + board[1] + "|" + board[2])
    print(board[3] + "|" + board[4] + "|" + board[5])
    print(board[6] + "|" + board[7] + "|" + board[8])

def play_game():

    display_board()

    while game_still_going:
        handle_turn(current_player)

        check_if_game_over()

        flip_player()
    if winner == 'X' or winner =='O':
        print(winner + " won.")
    elif winner == None:
        print('Tie')

def handle_turn(player):
    print(player + "'s turn")
    position = input("Choose a Position From 1 to 9:")
    valid = False
    while not valid:

        while position not in ['1','2','3','4','5','6','7','8','9']:
            position = input("Choose a Position From 1 to 9:")
        
        position = int(position) - 1

        if board[position] == "-":
            valid = True
        else:
            print('You Cant Go There, Go Again.')
    board[position] = player
    display_board()

def check_if_game_over():
    check_for_winner()
    check_if_tie()

def check_for_winner():
    #check rows, coloums and diagnols
    global winner
    row_winner = check_rows()
    column_winner = check_columns()
    diagonal_winner = check_diagonals()
    if row_winner:
        #there was a win
        winner = row_winner
    elif diagonal_winner:
        #there was a win
        winner = diagonal_winner
    elif column_winner:
        #there was a win
        winner = column_winner
    else:
        #there was no win
        winner = None
    return

def check_rows():
    global game_still_going
    row_1 = board[0] == board[1] == board[2] != '-'
    row_2 = board[3] == board[4] == board[5] != '-'
    row_3 = board[6] == board[7] == board[8] != '-'
    if row_1 or row_2 or row_3:
        game_still_going = False
    if row_1:
        return board[0]
    elif row_2:
        return board[3]
    elif row_3:
        return board[6]
    return

def check_columns():
    global game_still_going
    column_1 = board[0] == board[3] == board[6] != '-'
    column_2 = board[1] == board[4] == board[7] != '-'
    column_3 = board[2] == board[5] == board[8] != '-'
    if column_1 or column_2 or column_3:
        game_still_going = False
    if column_1:
        return board[0]
    elif column_2:
        return board[1]
    elif column_3:
        return board[2]
    return

def check_diagonals():
    global game_still_going
    diagonal_1 = board[0] == board[4] == board[8] != '-'
    diagonal_2 = board[6] == board[4] == board[2] != '-'
    if diagonal_1 or diagonal_2:
        game_still_going = False
    if diagonal_1:
        return board[0]
    elif diagonal_2:
        return board[6]
    return    

def check_if_tie():
    global game_still_going
    
    if "-" not in board:
        game_still_going = False
    return

def flip_player():
    global current_player
    if current_player == "X":
        current_player = "O"
    elif current_player == 'O':
        current_player = 'X'
    return

play_game()

#end