tic tac toe python

                                    # Python Program for simple Tic Tac Toe

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

game_still_going = True

winner = None

current_player = "X"

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 is None:
        print("Tie.")

def display_board():
    print("\n")
    print(board[0] + " | " + board[1] + " | " + board[2] + "     1 | 2 | 3")
    print(board[3] + " | " + board[4] + " | " + board[5] + "     4 | 5 | 6")
    print(board[6] + " | " + board[7] + " | " + board[8] + "     7 | 8 | 9")
    print("\n")

def handle_turn(player):
    print(player + "'s turn.")
    position = input("Choose a position from 1-9: ")


    valid = False
    while not valid:
        while position not in ["1", "2", "3", "4", "5", "6", "7", "8", "9"]:
            position = input("Choose a position from 1-9: ")
        position = int(position) - 1
        if board[position] == "-":
            valid = True
        else:
            print("You can't go there. Go again.")
    board[position] = player
    display_board()

def check_if_game_over():
    check_for_winner()
    check_for_tie()

def check_for_winner():
    global winner
    row_winner = check_rows()
    column_winner = check_columns()
    diagonal_winner = check_diagonals()
    if row_winner:
        winner = row_winner
    elif column_winner:
        winner = column_winner
    elif diagonal_winner:
        winner = diagonal_winner
    else:
        winner = None

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]
    else:
        return None

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]
    else:
        return None

def check_diagonals():
    global game_still_going
    diagonal_1 = board[0] == board[4] == board[8] != "-"
    diagonal_2 = board[2] == board[4] == board[6] != "-"
    if diagonal_1 or diagonal_2:
        game_still_going = False
    if diagonal_1:
        return board[0]
    elif diagonal_2:
        return board[2]
    else:
        return None

def check_for_tie():
    global game_still_going
    if "-" not in board:
        game_still_going = False
        return True
    else:
        return False

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

                                    class Grid:

    def __init__(self):
        self.__grid = [[0, 0, 0], [0, 0, 0], [0, 0, 0]]
        self.__score = 0
        self.turn = 1

    def check_location(self, x_index, y_index):
        if self.__grid[int(x_index) - 1][int(y_index) - 1] == 1 or\
           self.__grid[int(x_index) - 1][int(y_index) - 1] == 2:
            return False
        else:
            return True

    def display(self):
        lineVal: int = 0
        print("0 1 2 3")
        for i in self.__grid:
            lineVal += 1
            print(str(lineVal), end=" ")
            for k in i:
                print(str(k), end=" ")

            print()

    def place_counter(self, x_index, y_index):
        if self.turn == 1:
            self.__grid[int(x_index) - 1][int(y_index) - 1] = 1
            self.turn = -1
        else:
            self.__grid[int(x_index) - 1][int(y_index) - 1] = 2
            self.turn = 1

    def reset_grid(self):
        for i in range(len(self.__grid)):
            for k in range((len(self.__grid[i]))):
                self.__grid[i][k] = 0

    def victory_check(self):
        for l in range(1, 2):

            for i in range(len(self.__grid)):
                if self.__grid[i][0] == l and self.__grid[i][1] == l and self.__grid[i][2] == l:
                    return True
                if self.__grid[0][i] == l and self.__grid[1][i] == l and self.__grid[2][i] == l:
                    return True
                if self.__grid[0][0] == l and self.__grid[1][1] == l and self.__grid[2][2] == l:
                    return True
                if self.__grid[0][2] == l and self.__grid[1][1] == l and self.__grid[2][0] == l:
                    return True


def collect_place():
    return input("Please enter a location: ")


placingGrid = Grid()
while True:
    placingGrid.display()
    x_pos = collect_place()
    y_pos = collect_place()
    if placingGrid.check_location(x_pos, y_pos):
        placingGrid.place_counter(x_pos, y_pos)
    else:
        print("Invalid location")

    if placingGrid.victory_check():
        print("Well done")
        placingGrid.reset_grid()

                                    def tic_tac_toe():
    board = [1, 2, 3, 4, 5, 6, 7, 8, 9]
    end = False
    win_commbinations = ((0, 1, 2), (3, 4, 5), (6, 7, 8), (0, 3, 6), (1, 4, 7), (2, 5, 8), (0, 4, 8), (2, 4, 6))

    def draw():
        print(board[0], board[1], board[2])
        print(board[3], board[4], board[5])
        print(board[6], board[7], board[8])
        print()

    def p1():
        n = choose_number()
        if board[n] == "X" or board[n] == "O":
            print("\nYou can't go there. Try again")
            p1()
        else:

             board[n] = "X"
           
    def p2():
        n = choose_number()
        if board[n] == "X" or board[n] == "O":
            print("\nYou can't go there. Try again")
            p2()
        else:
            board[n] = "O"

    def choose_number():
        while True:
            while True:
                a = input()
                try:
                    a  = int(a)
                    a -= 1
                    if a in range(0, 9):
                        return a
                    else:
                        print("\nThat's not on the board. Try again")
                        continue
                except ValueError:
                   print("\nThat's not a number. Try again")
                   continue

    def check_board():
        count = 0
        for a in win_commbinations:
            if board[a[0]] == board[a[1]] == board[a[2]] == "X":
                print("Player 1 Wins!\n")
                print("Congratulations!\n")
                return True

            if board[a[0]] == board[a[1]] == board[a[2]] == "O":
                print("Player 2 Wins!\n")
                print("Congratulations!\n")
                return True
        for a in range(9):
            if board[a] == "X" or board[a] == "O":
                count += 1
            if count == 9:
                print("The game ends in a Tie\n")
                return True

    while not end:
        draw()
        end = check_board()
        if end == True:
            break
        print("Player 1 choose where to place a cross")
        p1()
        print()
        draw()
        end = check_board()
        if end == True:
            break
        print("Player 2 choose where to place a nought")
        p2()
        print()

    if input("Play again (y/n)\n") == "y":
        print()
        tic_tac_toe()

tic_tac_toe()

                                    board = ['-', '-', '-',
         '-', '-', '-',
         '-', '-', '-']
gameplay = [1, 0, 1, 0, 1, 0, 1, 0, 1]
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 win_check():
    # Row Check
    for col in range(7):
        if board[col] is board[col+1] is board[col+2] == 'X':
            print('You win')
            return True
        if board[col] is board[col+1] is board[col+2] == 'O':
            print('You win')
            return True

    # Column Check
    for row in range(3):
        if board[row] is board[row+3] is board[row+6] == 'X':
            print('You win')
            return True
        if board[row] is board[row+3] is board[row+6] == 'O':
            print('You win')
            return True

    # Diagonal Check
    dia = 0
    if board[dia] is board[dia+4] is board[dia+8] == 'X':
        print('You win')
        display_board()
        return True
    elif board[dia] is board[dia+4] is board[dia+8] == 'O':
        print('You win')
        display_board()
        return True
    dia = 2
    if board[dia] is board[dia+2] is board[dia+4] == 'X':
        print('You win')
        display_board()
        return True
    elif board[dia] is board[dia+2] is board[dia+4] == 'O':
        print('You win')
        display_board()
        return True

def play_game():
    i = 0
    if gameplay[i] == 1:
        board[val] = 'X'
        gameplay.pop(i)
        res = win_check()
        if res is True:
            return True
        else:
            display_board()
            inval()
    else:
        board[val] = 'O'
        gameplay.pop(i)
        res = win_check()
        if res is True:
            return True
        else:
            display_board()
            inval()


def inval():
    global val
    val = int(input('Choose the values from 0 to 8'))
    try:
        if val<=8 and val>=0:
            for item in range(9):
                if item == val:
                    res = play_game()
                    if res is True:
                        break
                    break
        else:
            print('Enter Valid Input!!!!')
            inval()

    except TypeError:
        print('Enter Valid Input!!!!')
        inval()



display_board()
inval()

                                    def slant_check(matrix,P1,P2):
    empty_lst1 = []
    empty_lst2= []
    lst1 = []
    lst2 = []
    x = len(matrix)
    v = len(matrix) - 1
    t = 0 
    g = 0
    n = True
    while n:
        for i in range(x):
            if matrix[i][i] == P1 or matrix[t][i] == P1:
                empty_lst1.append(matrix[i][i])
            if matrix[i][i] == P2 or matrix[t][i] == P2:
                empty_lst2.append(matrix[i][i])
        while v >= g:
            if matrix[g][v] == P1:
                lst1.append(matrix[g][v]) 
            if matrix[g][v] == P2:
                lst2.append(matrix[g][v])
            t -= 1
            v -= 1
            g += 1
        if len(empty_lst1) == x:
            return True
        if len(empty_lst2) == x:
            return True
        if len(lst1) == x:
            return True
        if len(lst2) == x:
            return True
        return False
def vertical_check(lst,P1,P2):
    for i in range(len(lst) - 2):
        for j in range(len(lst)):
            if lst[i][j] == P1 and lst[i + 1][j] == P1 and lst[i + 2][j] == P1:
                return True
            if lst[i][j] == P2 and lst[i + 1][j] == P2 and lst[i + 2][j] == P2:
                return True
            
    return False
def horizontal_check(lst,P1,P2):
    for i in range(len(lst)):
        for j in range(len(lst) - 2):
            if lst[i][j]== P1 and lst[i][j + 1]== P1 and lst[i][j + 2]== P1 :
                return True
            if lst[i][j]== P2 and lst[i][j + 1]== P2 and lst[i][j + 2]== P2 :
                return True
    return False
def find_grid2(place,lst):
    for i in range(len(lst)):
        for j in range(len(lst[i])):
            if place == lst[i][j]:
                return lst.index(lst[i])

def find_grid1(place,lst):
    for i in range(len(lst)):
        for j in range(len(lst[i])):
            if place == lst[i][j]:
                return lst[i].index(place)
            
def print_lst(lst):
    for i in range(len(lst)):
        for j in range(len(lst[i]) - 2):
            print(lst[i][j],'|', lst[i][j + 1],'|', lst[i][j + 2])
            print('----------')
def tic_tac_toe():
    lst = [[1,2,3],
           [4,5,6],
           [7,8,9]]
    P1 = 0
    P2 = 0
    counter_loop = 0
    _ = 0 
    new_lst = [1,2]
    while True:
        P1 = input('Player1 select "x" or "o" ? (Type in x or o):\n').lower()
        if P1 == 'x':
            print('Player2 is now "o"!\n')
            P2 = 'o'
            break
        if P1 == 'o':
            print('Player2 is now "x"!\n')
            P2 = 'x'
            break
        else:
            print('Try Again\n')
    print_lst(lst)
    while _ < len(lst): 
        for i in range(len(lst[_])):
            if counter_loop == 9:
                print("Tie!")
                break
            place_grid1 = input('Where would Player 1 like to place? : ')
            if int(place_grid1) >= 10 or int(place_grid1) <= 0:
                print('Try Again')
                place_grid1 = input('Where would Player 1 like to place? : ')
                break
            place_grid = int(place_grid1)
            counter_loop += 1
            inner_index1 = find_grid1(place_grid,lst)
            outer_index1 = find_grid2(place_grid,lst)
            lst[outer_index1][inner_index1] = P1
            print_lst(lst)
            if horizontal_check(lst,P1,P2) == True:
                print("Player 1 wins!!")
                counter_loop = 9 
                break
            if vertical_check(lst,P1,P2) == True:
                print("Player 1 wins!!")
                counter_loop = 9 
                break
            if slant_check(lst,P1,P2) == True:
                print("Player 1 wins!!")
                counter_loop = 9 
                break
            if counter_loop == 9:
                print("Tie!")
                break
            place_grid2 = input('Where would Player 2 like to place? : ')
            if int(place_grid2) >= 10 or int(place_grid2) <=0:
                print('Try Again')
                place_grid2 = input('Where would Player 2 like to place? : ')
                break
            place_gridy = int(place_grid2)
            counter_loop += 1
            inner_index2 = find_grid1(place_gridy,lst)
            outer_index2 = find_grid2(place_gridy,lst)
            lst[outer_index2][inner_index2] = P2
            print_lst(lst)
            if horizontal_check(lst,P1,P2) == True:
                print("Player 2 wins!!")
                counter_loop = 9 
                break
            if vertical_check(lst,P1,P2) == True:
                print("Player 2 wins!!")
                counter_loop = 9 
                break
            if slant_check(lst,P1,P2) == True:
                print("Player 2 wins!!")
                counter_loop = 9 
                break
            if counter_loop == 9:
                print("Tie!")
                break        
        if counter_loop == 9:
            break
        
        _ += 1

    
tic_tac_toe()