Tic Tac Toe V2.ipynb

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    "#Tic Tac Toe game V2\n",
    "\n",
    "board = [' ' for x in range(10)] # empty list \n",
    "\n",
    "def insertLetter(letter, pos):\n",
    "    board[pos] = letter\n",
    "\n",
    "def spaceIsFree(pos):\n",
    "    return board[pos] == ' '\n",
    "\n",
    "def printBoard(board):\n",
    "  \n",
    "    print(' ' + board[1] + ' | ' + board[2] + ' | ' + board[3])  \n",
    "    print('-----------')  \n",
    "    print(' ' + board[4] + ' | ' + board[5] + ' | ' + board[6])  \n",
    "    print('-----------')\n",
    "    print(' ' + board[7] + ' | ' + board[8] + ' | ' + board[9])\n",
    "\n",
    "    \n",
    "def isWinner(bo, le):\n",
    "    return (bo[7] == le and bo[8] == le and bo[9] == le) or (bo[4] == le and bo[5] == le and bo[6] == le) or(bo[1] == le and bo[2] == le and bo[3] == le) or(bo[1] == le and bo[4] == le and bo[7] == le) or(bo[2] == le and bo[5] == le and bo[8] == le) or(bo[3] == le and bo[6] == le and bo[9] == le) or(bo[1] == le and bo[5] == le and bo[9] == le) or(bo[3] == le and bo[5] == le and bo[7] == le)\n",
    "\n",
    "def playerMove():\n",
    "    run = True\n",
    "    while run:\n",
    "        move = input('Please select a position to place an \\'X\\' (1-9): ')\n",
    "        try:\n",
    "            move = int(move)\n",
    "            if move > 0 and move < 10:\n",
    "                if spaceIsFree(move):\n",
    "                    run = False\n",
    "                    insertLetter('X', move)\n",
    "                else:\n",
    "                    print('Sorry, this space is occupied!')\n",
    "            else:\n",
    "                print('Please type a number within the range!')\n",
    "        except:\n",
    "            print('Please type a number!')\n",
    "            \n",
    "\n",
    "def compMove():\n",
    "    possibleMoves = [x for x, letter in enumerate(board) if letter == ' ' and x != 0]\n",
    "    move = 0\n",
    "    print(possibleMoves)\n",
    "    for let in ['O', 'X']:\n",
    "        for i in possibleMoves:\n",
    "            boardCopy = board[:]\n",
    "            boardCopy[i] = let\n",
    "            if isWinner(boardCopy, let):\n",
    "                move = i\n",
    "                return move\n",
    "\n",
    "    cornersOpen = []\n",
    "    for i in possibleMoves:\n",
    "        if i in [1,3,7,9]:\n",
    "            cornersOpen.append(i)\n",
    "            \n",
    "    if len(cornersOpen) > 0:\n",
    "        move = selectRandom(cornersOpen)\n",
    "        return move\n",
    "\n",
    "    if 5 in possibleMoves:\n",
    "        move = 5\n",
    "        return move\n",
    "\n",
    "    edgesOpen = []\n",
    "    for i in possibleMoves:\n",
    "        if i in [2,4,6,8]:\n",
    "            edgesOpen.append(i)\n",
    "            \n",
    "    if len(edgesOpen) > 0:\n",
    "        move = selectRandom(edgesOpen)\n",
    "        \n",
    "    return move\n",
    "\n",
    "def selectRandom(li):\n",
    "    import random\n",
    "    ln = len(li)\n",
    "    r = random.randrange(0,ln)\n",
    "    return li[r]\n",
    "    \n",
    "\n",
    "def isBoardFull(board):\n",
    "    if board.count(' ') > 1:\n",
    "        return False\n",
    "    else:\n",
    "        return True\n",
    "\n",
    "def main():\n",
    "    print('Welcome to Tic Tac Toe!')\n",
    "    printBoard(board)\n",
    "\n",
    "    while not(isBoardFull(board)):\n",
    "        if not(isWinner(board, 'O')):\n",
    "            playerMove()\n",
    "            printBoard(board)\n",
    "        else:\n",
    "            print('Sorry, O\\'s won this time!')\n",
    "            break\n",
    "\n",
    "        if not(isWinner(board, 'X')):\n",
    "            move = compMove()\n",
    "            if move == 0:\n",
    "                print('Tie Game!')\n",
    "            else:\n",
    "                insertLetter('O', move)\n",
    "                print('Computer placed an \\'O\\' in position', move , ':')\n",
    "                printBoard(board)\n",
    "        else:\n",
    "            print('X\\'s won this time! Good Job!')\n",
    "            break\n",
    "\n",
    "    if isBoardFull(board):\n",
    "        print('Tie Game!')\n",
    "\n",
    "while True:\n",
    "    answer = input('Do you want to play (Y/N)')\n",
    "    if answer.lower() == 'y' or answer.lower == 'yes':\n",
    "        board = [' ' for x in range(10)]\n",
    "        print('-----------------------------------')\n",
    "        main()\n",
    "    else:\n",
    "        break\n"
   ]
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