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     "text": [
      "Tensor(\"Mul_11:0\", shape=(4,), dtype=int32)\n",
      "[ 5 12 21 32]\n",
      "[ 5 12 21 32]\n",
      "30\n",
      "30\n",
      "30\n",
      "30\n"
     ]
    }
   ],
   "source": [
    "# Import `tensorflow`\n",
    "import tensorflow as tf\n",
    "import os\n",
    "\n",
    "# Initialize two constants\n",
    "x1 = tf.constant([1,2,3,4])\n",
    "x2 = tf.constant([5,6,7,8])\n",
    "\n",
    "# Multiply\n",
    "result = tf.multiply(x1, x2)\n",
    "\n",
    "# Print the result\n",
    "print(result)\n",
    "\n",
    "# Intialize the Session\n",
    "sess = tf.Session()\n",
    "\n",
    "# Print the result\n",
    "print(sess.run(result))\n",
    "\n",
    "# Close the session\n",
    "sess.close()\n",
    "\n",
    "#Or you can run the session like so:\n",
    "with tf.Session() as sess:\n",
    "  output = sess.run(result)\n",
    "  print(output)\n",
    "\n",
    "    \n",
    "y1=tf.constant(5)\n",
    "y2=tf.constant(6)\n",
    "result=tf.multiply(y1, y2)\n",
    "sess=tf.Session()\n",
    "print(sess.run(result))\n",
    "sess.close()\n",
    "\n",
    "#or\n",
    "\n",
    "with tf.Session() as sess:\n",
    "    print (sess.run(result))\n",
    "    \n",
    "#this closes the session automatically\n",
    "\n",
    "#try this:\n",
    "with tf.Session() as sess:\n",
    "    output=sess.run(result)\n",
    "    print (output)\n",
    "    \n",
    "print (output)\n",
    "#you can't run sess.run(result) outside of the with action"
   ]
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