---
prev_page: '/recipes/recipes_layout.html'
next_page: '/examples/examples_intro.html'
---

{% raw %}

<div id="ipython-notebook">
    <div class="buttons">
        <button class="interact-button js-nbinteract-widget">
            Show Widgets
        </button>
    </div>
    







  

  <div class="nbinteract-hide_in
      cell border-box-sizing code_cell rendered">
    <div class="input">

<div class="inner_cell">
    <div class="input_area">
<div class=" highlight hl-ipython3"><pre><span></span><span