xisname&#39;</span><span class="p">)</span>
</pre></div>
</div>
<p>and <code class="docutils literal notranslate"><span class="pre">data</span></code> is modified from here out.
We do this because we are typically processing multidimensional datasets that consist of many points,
and we subject them to a series of steps to process them.
We don’t want to use up memory with lots of copies of the data.
Also, this allows us to string together several operation, e.g.:</p>
<div class="doctest highlight-default n