title: Get learning rate of keras model
body: <p>I cannot seem to get the value of learning rate. What I get is below. </p>
  
  <p>I've tried the model for 200 epochs and want to see/change the learning rate. Is this not the correct way?</p>
  
  <pre><code>&gt;&gt;&gt; print(ig_cnn_model.optimizer.lr)
  &lt;tf.Variable 'lr_6:0' shape=() dtype=float32_ref&gt;
  </code></pre>