〇✖ゲーム完成.ipynb

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      "〇×ゲームにようこそ！\n",
      "どちらの駒にしますか？ (O or X)\n",
      "o\n",
      "コンピューターが先手。\n",
      "   |   |\n",
      "   |   |  \n",
      "   |   |\n",
      "-----------\n",
      "   |   |\n",
      "   |   |  \n",
      "   |   |\n",
      "-----------\n",
      "   |   |\n",
      "   |   | X\n",
      "   |   |\n",
      "どこに打つ？ (1-9)\n",
      "2\n",
      "   |   |\n",
      "   | O | X\n",
      "   |   |\n",
      "-----------\n",
      "   |   |\n",
      "   |   |  \n",
      "   |   |\n",
      "-----------\n",
      "   |   |\n",
      "   |   | X\n",
      "   |   |\n",
      "どこに打つ？ (1-9)\n",
      "4\n",
      "   |   |\n",
      "   | O | X\n",
      "   |   |\n",
      "-----------\n",
      "   |   |\n",
      " O |   | X\n",
      "   |   |\n",
      "-----------\n",
      "   |   |\n",
      "   |   | X\n",
      "   |   |\n",
      "コンピューターの勝ち！\n",
      "もう一度遊ぶ？ (yes or no)\n"
     ]
    }
   ],
   "source": [
    "import random\n",
    "\n",
    "def drawBoard(board):\n",
    "\n",
    "    print('   |   |')\n",
    "    print(' ' + board[1] + ' | ' + board[2] + ' | ' + board[3])\n",
    "    print('   |   |')\n",
    "    print('-----------')\n",
    "    print('   |   |')\n",
    "    print(' ' + board[4] + ' | ' + board[5] + ' | ' + board[6])\n",
    "    print('   |   |')\n",
    "    print('-----------')\n",
    "    print('   |   |')\n",
    "    print(' ' + board[7] + ' | ' + board[8] + ' | ' + board[9])\n",
    "    print('   |   |')\n",
    "\n",
    "def inputPlayerLetter():\n",
    "\n",
    "    letter = ''\n",
    "    while not (letter == 'X' or letter == 'O'):\n",
    "        print('どちらの駒にしますか？ (O or X)')\n",
    "        letter = input().upper()\n",
    "\n",
    "    if letter == 'X':\n",
    "        return ['X', 'O']\n",
    "    else:\n",
    "        return ['O', 'X']\n",
    "\n",
    "def first():\n",
    "    if random.randint(0, 1) == 0:\n",
    "        return 'コンピューター'\n",
    "    else:\n",
    "        return 'プレーヤー'\n",
    "def playAgain():\n",
    "    \n",
    "    print('もう一度遊ぶ？ (yes or no)')\n",
    "    return input().lower().startswith('y')\n",
    "\n",
    "def makeMove(board, letter, move):\n",
    "    board[move] = letter\n",
    "\n",
    "def isWinner(bo, le):\n",
    "\n",
    "    # boはボード、leはプレーヤーの駒\n",
    "    return ((bo[7] == le and bo[8] == le and bo[9] == le) or # 上の行\n",
    "    (bo[4] == le and bo[5] == le and bo[6] == le) or # 中の行\n",
    "    (bo[1] == le and bo[2] == le and bo[3] == le) or # 下の行\n",
    "    (bo[7] == le and bo[4] == le and bo[1] == le) or # 左の列\n",
    "    (bo[8] == le and bo[5] == le and bo[2] == le) or # 中の列\n",
    "    (bo[9] == le and bo[6] == le and bo[3] == le) or # 右の列\n",
    "    (bo[7] == le and bo[5] == le and bo[3] == le) or # 対角線\n",
    "    (bo[9] == le and bo[5] == le and bo[1] == le)) # 対角線\n",
    "\n",
    "def getBoardCopy(board):\n",
    "\n",
    "    dupeBoard = []\n",
    "    for i in board:\n",
    "        dupeBoard.append(i)\n",
    "    return dupeBoard\n",
    "\n",
    "def isSpaceFree(board, move):\n",
    "    return board[move] == ' '\n",
    "\n",
    "def getPlayerMove(board):\n",
    "    move = ' '\n",
    "    while move not in '1 2 3 4 5 6 7 8 9'.split() or not isSpaceFree(board, int(move)):\n",
    "        print('どこに打つ？ (1-9)')\n",
    "        move = input()\n",
    "    return int(move)\n",
    "\n",
    "\n",
    "\n",
    "def chooseRandomMoveFromList(board, movesList):\n",
    "    \n",
    "    possibleMoves = []\n",
    "    for i in movesList:\n",
    "        if isSpaceFree(board, i):\n",
    "            possibleMoves.append(i)\n",
    "\n",
    "    if len(possibleMoves) != 0:\n",
    "        return random.choice(possibleMoves)\n",
    "\n",
    "    else:\n",
    "        return None\n",
    "\n",
    "def getComputerMove(board, computerLetter):\n",
    "\n",
    "    if computerLetter == 'X':\n",
    "        playerLetter = 'O'\n",
    "\n",
    "    else:\n",
    "        playerLetter = 'X'\n",
    "\n",
    "    for i in range(1, 10):\n",
    "        copy = getBoardCopy(board)\n",
    "        \n",
    "        if isSpaceFree(copy, i):\n",
    "            makeMove(copy, computerLetter, i)\n",
    "\n",
    "            if isWinner(copy, computerLetter):\n",
    "                return i\n",
    "\n",
    "    for i in range(1, 10):\n",
    "        copy = getBoardCopy(board)\n",
    "        if isSpaceFree(copy, i):\n",
    "            makeMove(copy, playerLetter, i)\n",
    "            if isWinner(copy, playerLetter):\n",
    "                return i\n",
    "\n",
    "    move = chooseRandomMoveFromList(board, [1, 3, 7, 9])\n",
    "    if move != None:\n",
    "        return move\n",
    "    if isSpaceFree(board, 5):\n",
    "        return 5\n",
    "    return chooseRandomMoveFromList(board, [2, 4, 6, 8])\n",
    "\n",
    "\n",
    "\n",
    "def isBoardFull(board):\n",
    "    for i in range(1, 10):\n",
    "        if isSpaceFree(board, i):\n",
    "            return False\n",
    "\n",
    "    return True\n",
    "\n",
    "print('〇×ゲームにようこそ！')\n",
    "\n",
    "while True:\n",
    "\n",
    "    theBoard = [' '] * 10\n",
    "    playerLetter, computerLetter = inputPlayerLetter()\n",
    "    turn = first()\n",
    "    print(turn + 'が先手。')\n",
    "    gameIsPlaying = True\n",
    "\n",
    "\n",
    "    while gameIsPlaying:\n",
    "\n",
    "        if turn == 'プレーヤー':\n",
    "\n",
    "            # プレーヤーの番\n",
    "\n",
    "            drawBoard(theBoard)\n",
    "            move = getPlayerMove(theBoard)\n",
    "            makeMove(theBoard, playerLetter, move)\n",
    "\n",
    "            if isWinner(theBoard, playerLetter):\n",
    "                drawBoard(theBoard)\n",
    "                print('おめでとう！　あなたの勝ち！')\n",
    "                gameIsPlaying = False\n",
    "\n",
    "            else:\n",
    "                if isBoardFull(theBoard):\n",
    "                    drawBoard(theBoard)\n",
    "                    print('引き分け！')\n",
    "                    break\n",
    "\n",
    "                else:\n",
    "                    turn = 'コンピューター'\n",
    "\n",
    "        else:\n",
    "\n",
    "            # コンピューターの番\n",
    "            move = getComputerMove(theBoard, computerLetter)\n",
    "            makeMove(theBoard, computerLetter, move)\n",
    "\n",
    "\n",
    "            if isWinner(theBoard, computerLetter):\n",
    "                drawBoard(theBoard)\n",
    "                print('コンピューターの勝ち！')\n",
    "                gameIsPlaying = False\n",
    "\n",
    "            else:\n",
    "                if isBoardFull(theBoard):\n",
    "                    drawBoard(theBoard)\n",
    "                    print('引き分け！')\n",
    "                    break\n",
    "\n",
    "                else:\n",
    "                    turn = 'プレーヤー'\n",
    "\n",
    "    if not playAgain():\n",
    "        break"
   ]
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