Código de Python - Tres en ralla o Tic Tac Toe contra el ordenador

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Tres en ralla o Tic Tac Toe contra el ordenadorgráfica de visualizaciones


Python

Publicado el 15 de Enero del 2015 por Administrador
2.194 visualizaciones desde el 15 de Enero del 2015. Una media de 28 por semana
Código del típico juego tres en ralla o tic tac toa para consola, donde se juega contra el ordenador.

Requerimientos

Python 3.x

Versión 1.0

Publicado el 15 de Enero del 2015gráfica de visualizaciones de la versión: Versión 1.0
2.195 visualizaciones desde el 15 de Enero del 2015. Una media de 28 por semana
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Forma parte de Invent With Python
 
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# Tic Tac Toe
 
import random
 
def drawBoard(board):
    # This function prints out the board that it was passed.
 
    # "board" is a list of 10 strings representing the board (ignore index 0)
    print('   |   |')
    print(' ' + board[7] + ' | ' + board[8] + ' | ' + board[9])
    print('   |   |')
    print('-----------')
    print('   |   |')
    print(' ' + board[4] + ' | ' + board[5] + ' | ' + board[6])
    print('   |   |')
    print('-----------')
    print('   |   |')
    print(' ' + board[1] + ' | ' + board[2] + ' | ' + board[3])
    print('   |   |')
 
def inputPlayerLetter():
    # Let's the player type which letter they want to be.
    # Returns a list with the player's letter as the first item, and the
    # computer's letter as the second.
    letter = ''
    while not (letter == 'X' or letter == 'O'):
        print('Do you want to be X or O?')
        letter = input().upper()
 
    # the first element in the tuple is the player's letter, the second is
    # the computer's letter.
    if letter == 'X':
        return ['X', 'O']
    else:
        return ['O', 'X']
 
def whoGoesFirst():
    # Randomly choose the player who goes first.
    if random.randint(0, 1) == 0:
        return 'computer'
    else:
        return 'player'
 
def playAgain():
    # This function returns True if the player wants to play again, otherwise
    # it returns False.
    print('Do you want to play again? (yes or no)')
    return input().lower().startswith('y')
 
def makeMove(board, letter, move):
    board[move] = letter
 
def isWinner(bo, le):
    # Given a board and a player's letter, this function returns True if that
    # player has won. We use bo instead of board and le instead of letter so
    # we don't have to type as much.
    return ((bo[7] == le and bo[8] == le and bo[9] == le) or # across the top
    (bo[4] == le and bo[5] == le and bo[6] == le) or # across the middle
    (bo[1] == le and bo[2] == le and bo[3] == le) or # across the bottom
    (bo[7] == le and bo[4] == le and bo[1] == le) or # down the left side
    (bo[8] == le and bo[5] == le and bo[2] == le) or # down the middle
    (bo[9] == le and bo[6] == le and bo[3] == le) or # down the right side
    (bo[7] == le and bo[5] == le and bo[3] == le) or # diagonal
    (bo[9] == le and bo[5] == le and bo[1] == le)) # diagonal
 
def getBoardCopy(board):
    # Make a duplicate of the board list and return it the duplicate.
    dupeBoard = []
 
    for i in board:
        dupeBoard.append(i)
 
    return dupeBoard
 
def isSpaceFree(board, move):
    # Return true if the passed move is free on the passed board.
    return board[move] == ' '
 
def getPlayerMove(board):
    # Let the player type in his move.
    move = ' '
    while move not in '1 2 3 4 5 6 7 8 9'.split() or not isSpaceFree(board, int(move)):
        print('What is your next move? (1-9)')
        move = input()
    return int(move)
 
def chooseRandomMoveFromList(board, movesList):
    # Returns a valid move from the passed list on the passed board.
    # Returns None if there is no valid move.
    possibleMoves = []
    for i in movesList:
        if isSpaceFree(board, i):
            possibleMoves.append(i)
 
    if len(possibleMoves) != 0:
        return random.choice(possibleMoves)
    else:
        return None
 
def getComputerMove(board, computerLetter):
    # Given a board and the computer's letter, determine where to move and
    # return that move.
    if computerLetter == 'X':
        playerLetter = 'O'
    else:
        playerLetter = 'X'
 
    # Here is our algorithm for our Tic Tac Toe AI:
    # First, check if we can win in the next move
    for i in range(1, 10):
        copy = getBoardCopy(board)
        if isSpaceFree(copy, i):
            makeMove(copy, computerLetter, i)
            if isWinner(copy, computerLetter):
                return i
 
    # Check if the player could win on his next move, and block them.
    for i in range(1, 10):
        copy = getBoardCopy(board)
        if isSpaceFree(copy, i):
            makeMove(copy, playerLetter, i)
            if isWinner(copy, playerLetter):
                return i
 
    # Try to take one of the corners, if they are free.
    move = chooseRandomMoveFromList(board, [1, 3, 7, 9])
    if move != None:
        return move
 
    # Try to take the center, if it is free.
    if isSpaceFree(board, 5):
        return 5
 
    # Move on one of the sides.
    return chooseRandomMoveFromList(board, [2, 4, 6, 8])
 
def isBoardFull(board):
    # Return True if every space on the board has been taken. Otherwise
    # return False.
    for i in range(1, 10):
        if isSpaceFree(board, i):
            return False
    return True
 
 
print('Welcome to Tic Tac Toe!')
 
while True:
    # Reset the board
    theBoard = [' '] * 10
    playerLetter, computerLetter = inputPlayerLetter()
    turn = whoGoesFirst()
    print('The ' + turn + ' will go first.')
    gameIsPlaying = True
 
    while gameIsPlaying:
        if turn == 'player':
            # Player's turn.
            drawBoard(theBoard)
            move = getPlayerMove(theBoard)
            makeMove(theBoard, playerLetter, move)
 
            if isWinner(theBoard, playerLetter):
                drawBoard(theBoard)
                print('Hooray! You have won the game!')
                gameIsPlaying = False
            else:
                if isBoardFull(theBoard):
                    drawBoard(theBoard)
                    print('The game is a tie!')
                    break
                else:
                    turn = 'computer'
 
        else:
            # Computer's turn.
            move = getComputerMove(theBoard, computerLetter)
            makeMove(theBoard, computerLetter, move)
 
            if isWinner(theBoard, computerLetter):
                drawBoard(theBoard)
                print('The computer has beaten you! You lose.')
                gameIsPlaying = False
            else:
                if isBoardFull(theBoard):
                    drawBoard(theBoard)
                    print('The game is a tie!')
                    break
                else:
                    turn = 'player'
 
    if not playAgain():
        break



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