title: Resetting graphs in tensorflow
body: <p>In some sample codes, we see the following code for reseting a graph:</p>
  
  <pre><code>from tensorflow.python.framework import ops
  ops.reset_default_graph()
  </code></pre>
  
  <p>But I think the following more simpler function do the same:</p>
  
  <pre><code>tf.reset_default_graph()
  </code></pre>
  
  <p>Is there any difference?</p>