Fix FizzBuzz

samples/core/guide/autograph.ipynb

@@ -365,24 +365,26 @@
       "cell_type": "code",
       "source": [
         "@autograph.convert()\n",
-        "def fizzbuzz(num):\n",
-        "  if num % 3 == 0 and num % 5 == 0:\n",
-        "      return 'FizzBuzz'\n",
-        "  elif num % 3 == 0:\n",
-        "      return 'Fizz'\n",
-        "  elif num % 5 == 0:\n",
-        "      return 'Buzz'\n",
-        "  else:\n",
-        "      return tf.as_string(num)\n",
+        "def fizzbuzz(i, n):\n",
+        "  while i < n:\n",
+        "    msg = ''\n",
+        "    if i % 3 == 0:\n",
+        "      msg += 'Fizz'\n",
+        "    if i % 5 == 0:\n",
+        "      msg += 'Buzz'\n",
+        "    if msg == '':\n",
+        "      msg = tf.as_string(i)\n",
+        "    print(msg)\n",
+        "    i += 1\n",
+        "  return i\n",
         "\n",
         "with tf.Graph().as_default():\n",
+        "  final_i = fizzbuzz(tf.constant(10), tf.constant(16))\n",
         "  # The result works like a regular op: takes tensors in, returns tensors.\n",
         "  # You can inspect the graph using tf.get_default_graph().as_graph_def()\n",
-        "  num = tf.placeholder(tf.int32)\n",
-        "  result = fizzbuzz(num)\n",
         "  with tf.Session() as sess:\n",
-        "    for n in range(10,16):\n",
-        "      print(sess.run(result, feed_dict={num:n}))"
+        "    sess.run(final_i)\n",
+        "\n"
       ],
       "execution_count": 0,
       "outputs": []