Learning-Python/game.py at master · micah-hirsch/Learning-Python · GitHub

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# Tic-Tac_toe Game
# From the 12 Beginner Python Projects Tutorial by freeCodeCamp.org
# Instructed by Kylie Ying
# Link to Youtube Tutorial: https://youtu.be/8ext9G7xspg


import time
import math
from player import HumanPlayer, RandomComputerPlayer, GeniusComputerPlayer


class TicTacToe():
    def __init__(self):
        self.board = [" " for _ in range(9)] # 3x3 board for Tic Tac Toe
        self.current_winner = None

    def print_board(self):
        for row in [self.board[i*3:(i+1) * 3] for i in range(3)]:
            print("| " + " | ".join(row) + " |")

    @staticmethod
    def print_board_nums():
        number_board = [[str(i) for i in range(j*3,(j+1)*3)] for j in range(3)]
        for row in number_board:
            print("| " + " | ".join(row) + " |")

    def make_move(self, square, letter):
        if self.board[square] == " ":
            self.board[square] = letter
            if self.winner(square, letter):
                self.current_winner = letter
            return True
        return False

    def winner(self, square, letter):
        row_ind = square//3
        row = self.board[row_ind*3 : (row_ind + 1) * 3]
        if all([spot == letter for spot in row]):
            return True

        col_ind = square % 3
        column = [self.board[col_ind+i*3] for i in range(3)]
        if all([spot == letter for spot in column]):
            return True

        if square % 2 == 0:
            diagonal1 = [self.board[i] for i in [0, 4, 8]]
            if all([spot == letter for spot in diagonal1]):
                return True
            diagonal2 = [self.board[i] for i in [2, 4, 6]]
            if all([spot == letter for spot in diagonal2]):
                return True

        return False

    def available_moves(self):
        return [i for i, spot in enumerate(self.board) if spot == " "]

    def empty_squares(self):
        return " " in self.board

    def num_empty_squares(self):
        return self.board.count(" ")

def play(game, x_player, o_player, print_game=True):
    if print_game:
        game.print_board_nums()

    letter = "X"

    while game.empty_squares():
        if letter == "O":
            square = o_player.get_move(game)
        else:
            square = x_player.get_move(game)

        if game.make_move(square, letter):
            if print_game:
                print(letter + " makes a move to square {}".format(square))
                game.print_board()
                print("")

            if game.current_winner:
                if print_game:
                    print(letter + " wins!")
                return letter


            letter = "O" if letter == "X" else "X"

        time.sleep(0.8)

    if print_game:
        print("It's a tie.")

if __name__ == "__main__":
    x_player = HumanPlayer("X")
    o_player = GeniusComputerPlayer("O")
    t = TicTacToe()
    play(t, x_player, o_player, print_game = True)