Fix serialize_example() example description

Author: eslam69

site/en/tutorials/load_data/tfrecord.ipynb

@@ -350,12 +350,13 @@
       ]
     },
     {
+      "attachments": {},
       "cell_type": "markdown",
       "metadata": {
         "id": "XftzX9CN_uGT"
       },
       "source": [
-        "For example, suppose you have a single observation from the dataset, `[False, 4, bytes('goat'), 0.9876]`. You can create and print the `tf.train.Example` message for this observation using `create_message()`. Each single observation will be written as a `Features` message as per the above. Note that the `tf.train.Example` [message](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/core/example/example.proto#L88) is just a wrapper around the `Features` message:"
+        "For example, suppose you have a single observation from the dataset, `[False, 4, bytes('goat'), 0.9876]`. You can create and print the `tf.train.Example` message for this observation using `serialize_example()`. Each single observation will be written as a `Features` message as per the above. Note that the `tf.train.Example` [message](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/core/example/example.proto#L88) is just a wrapper around the `Features` message:"
       ]
     },
     {
@@ -368,9 +369,8 @@
       "source": [
         "# This is an example observation from the dataset.\n",
         "\n",
-        "example_observation = []\n",
-        "\n",
-        "serialized_example = serialize_example(False, 4, b'goat', 0.9876)\n",
+        "example_observation = [False, 4, b'goat', 0.9876]\n",
+        "serialized_example = serialize_example(*example_observation)\n",
         "serialized_example"
       ]
     },