279 lines
10 KiB
Python
279 lines
10 KiB
Python
# Reversegam: a clone of Othello/Reversi
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import random
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import sys
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WIDTH = 8 # Board is 8 spaces wide
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HEIGHT = 8 # Board is 8 spaces tall
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def drawBoard(board):
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# This function prints the board that it was passed. Returns None.
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print(' 12345678')
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print(' +--------+')
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for y in range(HEIGHT):
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print('%s|' % (y+1), end='')
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for x in range(WIDTH):
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print(board[x][y], end='')
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print('|%s' % (y+1))
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print(' +--------+')
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print(' 12345678')
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def getNewBoard():
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# Creates a brand-new, blank board data structure.
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board = []
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for i in range(WIDTH):
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board.append([' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '])
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return board
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def isValidMove(board, tile, xstart, ystart):
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# Returns False if the player's move on space xstart, ystart is invalid.
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# If it is a valid move, returns a list of spaces that would become the player's if they made a move here.
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if board[xstart][ystart] != ' ' or not isOnBoard(xstart, ystart):
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return False
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if tile == 'Х':
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otherTile = 'О'
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else:
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otherTile = 'Х'
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tilesToFlip = []
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for xdirection, ydirection in [[0, 1], [1, 1], [1, 0], [1, -1], [0, -1], [-1, -1], [-1, 0], [-1, 1]]:
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x, y = xstart, ystart
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x += xdirection # First step in the x direction
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y += ydirection # First step in the y direction
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while isOnBoard(x, y) and board[x][y] == otherTile:
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# Keep moving in this x & y direction.
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x += xdirection
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y += ydirection
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if isOnBoard(x, y) and board[x][y] == tile:
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# There are pieces to flip over. Go in the reverse direction until we reach the original space, noting all the tiles along the way.
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while True:
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x -= xdirection
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y -= ydirection
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if x == xstart and y == ystart:
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break
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tilesToFlip.append([x, y])
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if len(tilesToFlip) == 0: # If no tiles were flipped, this is not a valid move.
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return False
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return tilesToFlip
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def isOnBoard(x, y):
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# Returns True if the coordinates are located on the board.
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return x >= 0 and x <= WIDTH - 1 and y >= 0 and y <= HEIGHT - 1
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def getBoardWithValidMoves(board, tile):
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# Returns a new board with periods marking the valid moves the player can make.
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boardCopy = getBoardCopy(board)
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for x, y in getValidMoves(boardCopy, tile):
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boardCopy[x][y] = '.'
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return boardCopy
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def getValidMoves(board, tile):
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# Returns a list of [x,y] lists of valid moves for the given player on the given board.
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validMoves = []
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for x in range(WIDTH):
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for y in range(HEIGHT):
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if isValidMove(board, tile, x, y) != False:
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validMoves.append([x, y])
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return validMoves
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def getScoreOfBoard(board):
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# Determine the score by counting the tiles. Returns a dictionary with keys 'X' and 'O'.
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xscore = 0
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oscore = 0
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for x in range(WIDTH):
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for y in range(HEIGHT):
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if board[x][y] == 'Х':
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xscore += 1
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if board[x][y] == 'О':
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oscore += 1
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return {'Х':xscore, 'О':oscore}
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def enterPlayerTile():
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# Lets the player type which tile they want to be.
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# Returns a list with the player's tile as the first item and the computer's tile as the second.
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tile = ''
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while not (tile == 'Х' or tile == 'О'):
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print('Вы играете за Х или О?')
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tile = input().upper()
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# The first element in the list is the player's tile, and the second is the computer's tile.
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if tile == 'Х':
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return ['Х', 'О']
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else:
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return ['О', 'Х']
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def whoGoesFirst():
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# Randomly choose who goes first.
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if random.randint(0, 1) == 0:
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return 'computer'
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else:
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return 'player'
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def makeMove(board, tile, xstart, ystart):
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# Place the tile on the board at xstart, ystart, and flip any of the opponent's pieces.
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# Returns False if this is an invalid move; True if it is valid.
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tilesToFlip = isValidMove(board, tile, xstart, ystart)
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if tilesToFlip == False:
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return False
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board[xstart][ystart] = tile
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for x, y in tilesToFlip:
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board[x][y] = tile
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return True
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def getBoardCopy(board):
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# Make a duplicate of the board list and return it.
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boardCopy = getNewBoard()
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for x in range(WIDTH):
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for y in range(HEIGHT):
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boardCopy[x][y] = board[x][y]
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return boardCopy
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def isOnCorner(x, y):
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# Returns True if the position is in one of the four corners.
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return (x == 0 or x == WIDTH - 1) and (y == 0 or y == HEIGHT - 1)
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def getPlayerMove(board, playerTile):
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# Let the player enter their move.
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# Returns the move as [x, y] (or returns the strings 'hints' or 'quit').
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DIGITS1TO8 = '1 2 3 4 5 6 7 8'.split()
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while True:
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print('Укажите ход, текст "выход" для завершения игры или "подсказка" для вывода подсказки.')
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move = input().lower()
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if move == 'выход' or move == 'подсказка':
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return move
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if len(move) == 2 and move[0] in DIGITS1TO8 and move[1] in DIGITS1TO8:
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x = int(move[0]) - 1
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y = int(move[1]) - 1
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if isValidMove(board, playerTile, x, y) == False:
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continue
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else:
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break
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else:
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print('Это недопустимый ход. Введите номер столбца (1-8) и номер ряда (1-8).')
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print('К примеру, значение 81 перемещает в верхний правый угол.')
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return [x, y]
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def getComputerMove(board, computerTile):
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# Given a board and the computer's tile, determine where to
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# move and return that move as a [x, y] list.
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possibleMoves = getValidMoves(board, computerTile)
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random.shuffle(possibleMoves) # randomize the order of the moves
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# Always go for a corner if available.
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for x, y in possibleMoves:
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if isOnCorner(x, y):
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return [x, y]
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# Find the highest-scoring move possible.
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bestScore = -1
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for x, y in possibleMoves:
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boardCopy = getBoardCopy(board)
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makeMove(boardCopy, computerTile, x, y)
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score = getScoreOfBoard(boardCopy)[computerTile]
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if score > bestScore:
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bestMove = [x, y]
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bestScore = score
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return bestMove
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def printScore(board, playerTile, computerTile):
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scores = getScoreOfBoard(board)
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print('Ваш счет: %s. Счет компьютера: %s.' % (scores[playerTile], scores[computerTile]))
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def playGame(playerTile, computerTile):
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showHints = False
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turn = whoGoesFirst()
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#print('The ' + turn + ' will go first.')
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# Clear the board and place starting pieces.
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board = getNewBoard()
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board[3][3] = 'Х'
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board[3][4] = 'О'
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board[4][3] = 'О'
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board[4][4] = 'Х'
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while True:
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playerValidMoves = getValidMoves(board, playerTile)
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computerValidMoves = getValidMoves(board, computerTile)
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if playerValidMoves == [] and computerValidMoves == []:
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return board # No one can move, so end the game.
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elif turn == 'player': # Player's turn
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if playerValidMoves != []:
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#if showHints:
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# validMovesBoard = getBoardWithValidMoves(board, playerTile)
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# drawBoard(validMovesBoard)
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#else:
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#drawBoard(board)
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#printScore(board, playerTile, computerTile)
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move = getComputerMove(board, playerTile)
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#if move == 'quit':
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# print('Thanks for playing!')
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# sys.exit() # Terminate the program.
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#elif move == 'hints':
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# showHints = not showHints
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# continue
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#else:
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makeMove(board, playerTile, move[0], move[1])
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turn = 'computer'
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elif turn == 'computer': # Computer's turn
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if computerValidMoves != []:
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#drawBoard(board)
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#printScore(board, playerTile, computerTile)
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#input('Press Enter to see the computer\'s move.')
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move = getComputerMove(board, computerTile)
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makeMove(board, computerTile, move[0], move[1])
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turn = 'player'
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NUM_GAMES = 250
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xWins = oWins = ties = 0
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print('Приветствуем в игре "Реверси"!')
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ans = input("Вам показывать процесс или нет? д/н ")
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if ans == "д":
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pokaz = True
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else:
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pokaz = False
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playerTile, computerTile = ['Х', 'О'] #enterPlayerTile()
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for i in range(NUM_GAMES): #while True:
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finalBoard = playGame(playerTile, computerTile)
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# Display the final score.
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#drawBoard(finalBoard)
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scores = getScoreOfBoard(finalBoard)
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if pokaz == True:
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print('X набрал %s очков. O набрал %s очков.' % (scores['Х'], scores['О']))
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if scores[playerTile] > scores[computerTile]:
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xWins += 1 #print('You beat the computer by %s points! Congratulations!' % (scores[playerTile] - scores[computerTile]))
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elif scores[playerTile] < scores[computerTile]:
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oWins += 1 #print('You lost. The computer beat you by %s points.' % (scores[computerTile] - scores[playerTile]))
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else:
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ties += 1 #print('The game was a tie!')
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else:
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if scores[playerTile] > scores[computerTile]:
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xWins += 1 # print('You beat the computer by %s points! Congratulations!' % (scores[playerTile] - scores[computerTile]))
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elif scores[playerTile] < scores[computerTile]:
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oWins += 1 # print('You lost. The computer beat you by %s points.' % (scores[computerTile] - scores[playerTile]))
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else:
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ties += 1 # print('The game was a tie!')
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#print('Do you want to play again? (yes or no)')
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#if not input().lower().startswith('y'):
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# break
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print('X победил: %s (%s%%)' % (xWins, round(xWins / NUM_GAMES * 100, 1)))
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print('O победил: %s (%s%%)' % (oWins, round(oWins / NUM_GAMES * 100, 1)))
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print('Ничьи: %s (%s%%)' % (ties, round(ties / NUM_GAMES * 100, 1)))
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