title: What is a local variable in tensorflow?
body: <p>Tensorflow has this API defined:</p>
  <blockquote>
  <p><code>tf.local_variables()</code></p>
  <p>Returns all variables created with <code>collection=[LOCAL_VARIABLES]</code>.</p>
  <p>Returns:</p>
  <p>A list of local Variable objects.</p>
  </blockquote>
  <p>What exactly is a local variable in TensorFlow? Can someone give me an example?</p>