Tic_tac_toe_functions_challenge_layout.ipynb

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      "This game of tic-tac-toe will prompt players \n",
      "for coordinates to make their play in the \n",
      "format x, y. When a player wins, it will be \n",
      "declared, and if no player emerges the victor a \n",
      "tie will be declared. Time to play tic-tac-toe!\n",
      "[(0, 0), (1, 0), (2, 0)]\n",
      "[(0, 1), (1, 1), (2, 1)]\n",
      "[(0, 2), (1, 2), (2, 2)]\n"
     ]
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    "player_dict = {1: ' X ', 2: ' O '}\n",
    "\n",
    "\n",
    "def display_starting_message():\n",
    "    '''\n",
    "    Displays message for how to interact with this game of tic-tac-toe.\n",
    "    '''\n",
    "    starting_message = 'This game of tic-tac-toe will prompt players \\nfor coordinates to make their play in the \\nformat x, y. When a player wins, it will be \\ndeclared, and if no player emerges the victor a \\ntie will be declared. Time to play tic-tac-toe!'\n",
    "    print (starting_message)\n",
    "\n",
    "\n",
    "# Part 2\n",
    "def initialize_board():\n",
    "    '''\n",
    "    Input:  None\n",
    "    Output: 3 x 3 list of lists with the coordinate location in each position\n",
    "    '''\n",
    "    return [[(i, j) for i in range(3)] for j in range(3)]\n",
    "\n",
    "    \n",
    "# Part 2\n",
    "def print_board(board):\n",
    "    '''\n",
    "    Input:  List of Lists\n",
    "    Output: None\n",
    "    '''\n",
    "    for row in board:\n",
    "        print (row)\n",
    "\n",
    "\n",
    "# Part 7\n",
    "def get_check_coord(coord, board):\n",
    "    '''\n",
    "    Input:  Tuple, List of Lists\n",
    "    Output: Bool\n",
    "\n",
    "    Checks whether or not inputted \"coordinates\" are well formatted and legal.\n",
    "    '''\n",
    "    if len(coord) != 2:\n",
    "        print ('You need to enter two coordinates. Try again.')\n",
    "        return (False,)\n",
    "    x, y = coord\n",
    "    if x.isdigit() and y.isdigit():\n",
    "        x, y = int(x), int(y)\n",
    "    else:\n",
    "        print ('Please enter numbers for coordinates. Try again.')\n",
    "        return (False,)\n",
    "    if x > 2 or x < 0 or y > 2 or y < 0:\n",
    "        print ('Illegal coordinate. Try again')\n",
    "        return (False,)\n",
    "    if board[y][x] in [' X ', ' O ']:\n",
    "        print ('That square has already been played in. Try again.')\n",
    "        return (False,)\n",
    "    return x, y, True\n",
    "\n",
    "\n",
    "# Part 4\n",
    "def get_good_coord(player, board):\n",
    "    '''\n",
    "    Input:  Int, List of Lists\n",
    "    Output: Int, Int\n",
    "    '''\n",
    "    while True:\n",
    "        play_prompt = 'Player {} ({}), where will you play? '\n",
    "        coord = tuple(input(play_prompt.format(player, player_dict[player])).split(', '))\n",
    "        stuff = get_check_coord(coord, board)\n",
    "        if stuff[-1]:\n",
    "            break\n",
    "    return stuff[0], stuff[1]\n",
    "\n",
    "\n",
    "# Part 5\n",
    "def check_winner(board, player):\n",
    "    '''\n",
    "    Input:  List of Lists, Int\n",
    "    Output: Bool\n",
    "\n",
    "    Returns True if player has three in a row on the board, otherwise False.\n",
    "    '''\n",
    "    piece = player_dict[player]\n",
    "    for i in range(3):\n",
    "        if all([j == piece for j in board[i]]):\n",
    "            return True\n",
    "    for i in range(3):\n",
    "        if all([board[j][i] == piece for j in range(3)]):\n",
    "            return True\n",
    "    if all([board[i][i] == piece for i in range(3)]):\n",
    "        return True\n",
    "    if all([board[i][2-i] == piece for i in range(3)]):\n",
    "        return True\n",
    "    return False\n",
    "\n",
    "\n",
    "# Part 3\n",
    "def play_turn(turn, board):\n",
    "    '''\n",
    "    Input:  Int, List of Lists\n",
    "    Output: Int, Bool\n",
    "\n",
    "    Prompts next player for play. Checks if play made three in a row. \n",
    "    If it does that player is declared the winner.\n",
    "    '''\n",
    "    player = turn % 2 + 1\n",
    "    x, y = get_good_coord(player, board)\n",
    "    board[y][x] = player_dict[player]\n",
    "    winner = check_winner(board, player)\n",
    "    return winner, player\n",
    "\n",
    "\n",
    "def play_tic_tac_toe():\n",
    "    '''\n",
    "    Function that allows two players to play tic-tac-toe against one another.\n",
    "    '''\n",
    "    display_starting_message()\n",
    "\n",
    "    # Part 2. I would just print the board.\n",
    "    board = initialize_board()\n",
    "    print_board(board)\n",
    "\n",
    "    for turn in range(9):\n",
    "\n",
    "        # Part 3: turns.\n",
    "        winner, player = play_turn(turn, board)\n",
    "\n",
    "        print_board(board)\n",
    "        if winner:\n",
    "            print ('Player {} Wins!!'.format(player))\n",
    "            return\n",
    "\n",
    "    # Part 6\n",
    "    print ('Game resulted in a tie...like usual.')\n",
    "\n",
    "\n",
    "# Part 1. Write this first.\n",
    "if __name__ == '__main__':\n",
    "    play_tic_tac_toe()\n"
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