notebooks/1_Introduction/helloworld.ipynb

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   "source": [
    "import tensorflow as tf"
   ]
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   "source": [
    "# Simple hello world using TensorFlow\n",
    "\n",
    "# Create a Constant op\n",
    "# The op is added as a node to the default graph.\n",
    "#\n",
    "# The value returned by the constructor represents the output\n",
    "# of the Constant op.\n",
    "\n",
    "hello = tf.constant('Hello, TensorFlow!')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
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   "source": [
    "# Start tf session\n",
    "sess = tf.Session()"
   ]
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   "execution_count": 4,
   "metadata": {
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   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hello, TensorFlow!\n"
     ]
    }
   ],
   "source": [
    "# Run graph\n",
    "print(sess.run(hello))"
   ]
  }
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