     <div>
        <h4>NUMPY</h4>
        <pre><span class="comment"># Create and reshape</span>
<span class="keyword">a</span> <span class="operator">=</span> <span class="function">np.arange</span>(<span class="number">12</span>).<span class="function">reshape</span>(<span class="number">3</span>, <span class="number">4</span>)

<span class="comment"># Slice (might copy)</span>
<span class="keyword">b</span> <span class="operator">=</span> <span class="keyword">a</span>[<span class="operator">:</span>, <s