message: Add comment clarifying items in `predictions` list
  This way, it becomes clear what the result of the `print()` call will look like.
diff: @@ -79,6 +79,8 @@ def main(_):
  return predict_features
  prediction_iterable = estimator.predict(input_fn=predict_input_fn)
  + # Create a list containing each of the prediction dictionaries that map
  + # the key 'logits' to an array of model outputs.
  predictions = [prediction_iterable.next() for _ in range(10)]
  print("Prediction results: {}".format(predictions))
  