reinforcement_tic_tac_toe_snippet_2.py

reinforcement_tic_tac_toe_snippet_2.py

def player_move(self, input_symbol, item_x, item_y):
        """
        The method which facilitates insertion of values into the board matrix.

        params:

        - input_symbol: 'X' or 'O'
        - item_x int: The row of the matrix in which item has been inserted.
        - item_y int: The column of the matrix in which the item has been inserted.
        """
        symbol = None

        if input_symbol == self.sym_o.get('mark'):
            # If 'O' was inserted
            symbol = self.sym_o

        elif input_symbol == self.sym_x.get('mark'):
            # If 'X' was inserted
            symbol = self.sym_x

        else:
            # invalid symbol
            return
        self.board[item_x][item_y] = symbol.get('value')
        # insert the integer corresponding to the symbol in to the matrix.

        self.draw_board()
        # Show the board in a human friendly format for evaluation.

        if self.is_winning_move(symbol.get('mark'), symbol.get('value'), item_x, item_y):
            # If this move was a winning move, declare the symbol as the winner.
            print('Winner is: {}'.format(self.winner))

def play(self, item_x, item_y):
        """
        The method exposed to a human user
        facilitates insertion of values into the board matrix.
        
        params:
        
        - input_symbol: 'X' or 'O'
        - item_x int: The row of the matrix in which item has been inserted.
        - item_y int: The column of the matrix in which the item has been inserted.
        """
        max_limit, _ = self.board.shape
        if item_x > max_limit - 1 or item_y > max_limit:
            # If the row, column values dont' exist in the board matrix. 
            # Exit without inserting it into the board.
            return
        self.player_move(self.player_sym.get('mark'), item_x, item_y)
        
    def bot_play(self, item_x, item_y):
        """
        The method exposed to a bot
        facilitates insertion of values into the board matrix.
        
        params:
        
        - input_symbol: 'X' or 'O'
        - item_x int: The row of the matrix in which item has been inserted.
        - item_y int: The column of the matrix in which the item has been inserted.
        """
        max_limit, _ = self.board.shape
        if item_x > max_limit - 1 or item_y > max_limit:
            return
        self.player_move(self.bot_sym.get('mark'), item_x, item_y)