t;          &lt;list&gt;   
## 1 &lt;split [2.2K‚Ä¶ train/test ‚Ä¶ &lt;tibble [2 √ó‚Ä¶ &lt;tibble [0‚Ä¶ &lt;tibble [732 √ó‚Ä¶ &lt;workflo‚Ä¶
```


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A .display[list]!


![](https://media.giphy.com/media/BzyTuYCmvSORqs1ABM/giphy.gif)&lt;!-- --&gt;

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# Quiz

How are data frames related to lists?

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# Quiz

Can lists contain other lists?

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# A simpler list


```r
simple_split &l