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More detailed implementation of battleship example.
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‎notebook/battleship.ipynb

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{
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"metadata": {
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"name": "",
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"signature": "sha256:e39489d82b073fbdc6f7005b77f4822a973affa30340544bad8ad1423187d25e"
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},
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"nbformat": 3,
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"nbformat_minor": 0,
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"worksheets": [
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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"#Battleship\n",
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"###You can learn a lot when you are having fun - [Gerard Gorman](http://www.imperial.ac.uk/people/g.gorman)"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"import random\n",
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"\n",
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"def create_board(size):\n",
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" ''''Initialise the board using a Python list.'''\n",
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" board = []\n",
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" for x in range(0, size):\n",
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" board.append([\"O\"] * size)\n",
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" return board\n",
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"\n",
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"def print_board(board):\n",
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" '''Print out the current board.'''\n",
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" for row in board:\n",
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" print \" \".join(row)\n",
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" return\n",
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"\n",
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"def generate_ship(max_ship_size, board_size):\n",
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" # We are going to define a ship as a list of board coordinates.\n",
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" ship = []\n",
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" \n",
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" # Randomly select define the size of the ship.\n",
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" ship_size = random.randint(1, max_ship_size)\n",
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" \n",
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" # Randomly define the orientation.\n",
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" orientation = random.randint(0, 1)\n",
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"\n",
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" # Randomly select the seed point for the ship.\n",
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" iseed = random.randint(0, board_size)\n",
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" jseed = random.randint(0, board_size)\n",
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"\n",
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" # Generate ship - here I'm not going to worry if it goes off the edge.\n",
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" if orientation==0:\n",
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" for i in range(ship_size):\n",
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" ship.append((iseed+i, jseed))\n",
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" else:\n",
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" for j in range(ship_size):\n",
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" ship.append((iseed, jseed+j))\n",
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"\n",
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" return ship\n",
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" \n",
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"# Set the size of the board and initialise the board.\n",
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"board_size = 10\n",
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"board = create_board(board_size)\n",
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"print_board(board)\n",
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"\n",
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"# Add the ship\n",
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"ship = generate_ship(6, board_size)\n",
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"\n",
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"print \"Let's play Battleship!\"\n",
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"\n",
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"for turn in range(4):\n",
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" try:\n",
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" row = int(raw_input(\"Guess row:\"))\n",
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" if row<0 or row>board_size-1:\n",
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" raise ValueError\n",
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" except:\n",
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" print \"Value must be an integer between 0 and %d. Try again.\"%(board_size)\n",
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" continue\n",
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"\n",
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" try:\n",
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" column = int(raw_input(\"Guess column:\"))\n",
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" if column<0 or column>board_size-1:\n",
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" raise ValueError\n",
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" except:\n",
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" print \"Value must be an integer between 0 and %d. Try again.\"%(board_size)\n",
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" continue\n",
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" \n",
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" if (row, column) in ship:\n",
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" print \"Congratulations! You sunk my battleship!\"\n",
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" break\n",
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" else:\n",
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" if turn == 3:\n",
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" board[row][column] = \"X\"\n",
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" print_board(board)\n",
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" print \"Game Over\"\n",
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" else:\n",
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" board[row][column] = \"X\"\n",
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" print_board(board)"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"Let's play Battleship!\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"Guess row:1\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"Guess column:1\n"
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]
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},
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"O O O O O O O O O O\n",
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"O X O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"Guess row:2\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"Guess column:2\n"
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]
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},
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"O O O O O O O O O O\n",
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"O X O O O O O O O O\n",
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"O O X O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"Guess row:3\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"Guess column:3\n"
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]
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},
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"O O O O O O O O O O\n",
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"O X O O O O O O O O\n",
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"O O X O O O O O O O\n",
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"O O O X O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"Guess row:4\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"Guess column:4\n"
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]
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},
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"O O O O O O O O O O\n",
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"O X O O O O O O O O\n",
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"O O X O O O O O O O\n",
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"O O O X O O O O O O\n",
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"O O O O X O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"O O O O O O O O O O\n",
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"Game Over\n"
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]
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}
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],
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"prompt_number": 1
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [],
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"language": "python",
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"metadata": {},
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"outputs": []
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}
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],
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"metadata": {}
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}
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]
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}

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