class TicTacGame:
    player = 'X'
    winner = ''
    board = {'7': ' ', '8': ' ', '9': ' ',
             '4': ' ', '5': ' ', '6': ' ',
             '1': ' ', '2': ' ', '3': ' '}

    def show_board(self):
        print('     |     |')
        print('  {}  |  {}  |  {}'.format(self.board['7'], self.board['8'], self.board['9']))
        print('_____|_____|_____')
        print('     |     |')
        print('  {}  |  {}  |  {}'.format(self.board['4'], self.board['5'], self.board['6']))
        print('_____|_____|_____')
        print('     |     |')
        print('  {}  |  {}  |  {}'.format(self.board['1'], self.board['2'], self.board['3']))
        print('     |     |')

    def validate_input(self, turn):
        try:
            move = int(turn)
        except ValueError:
            return 0
        if move > 9 or move < 1:
            return 0
        if self.board[turn] != ' ':
            return 0
        return 1

    def make_turn(self):
        while True:
            print('Player', self.player, 'turn:')
            turn = input()
            if self.validate_input(turn):
                self.board[turn] = self.player
                if self.player == 'X':
                    self.player = 'O'
                else:
                    self.player = 'X'
                break
            else:
                print('Wrong input! Try again!')

    def check_winner(self):
        winnings = [['7', '8', '9'], ['4', '5', '6'], ['1', '2', '3'],
                    ['1', '4', '7'], ['2', '5', '8'], ['3', '6', '9'],
                    ['1', '5', '9'], ['3', '5', '7']]
        for comb in winnings:
            if self.board[comb[0]] != ' ':
                if self.board[comb[0]] == self.board[comb[1]] and self.board[comb[0]] == self.board[comb[2]]:
                    return 1
        return 0

    def start_game(self):
        turn = 0
        while True:
            self.show_board()
            if turn == 9:
                print('Draw!')
                return
            self.make_turn()
            if self.check_winner():
                self.show_board()
                if self.player == 'X':
                    self.winner = 'O'
                else:
                    self.winner = 'X'
                print('Player', self.winner, 'has won!!!')
                return
            turn += 1


if __name__ == '__main__':
    game = TicTacGame()
    game.start_game()