class="pre">nycschools</span></code> has already combined multiple data sets into its core DataFrames, but you will want to combine this data in new ways, make new DataFrames from your results, and pull in new data from the outside world.</p>
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<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">pandas</span> <span class="k">as</span> <span class="n