title: Markdown Code Blocks with IPython Style
body: <p>To render a Python block of code in markdown I use three back ticks <code>{python}</code> three back ticks:</p>
  
  <pre><code>```
  {python}
  x = 4
  ```
  </code></pre>
  
  <p>How can I get an IPython block of code:</p>
  
  <pre><code>In [1]: x = 4
  </code></pre>
  
  <p>Thanks in advance.</p>