ss="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
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<div class="input_area highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">frequencies</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n