an><span class="p">:</span>
                <span class="n">so_res</span> <span class="o">=</span> <span class="n">stochastic_oscillator</span><span class="p">(</span><span class="n">ar</span><span class="p">)</span>
                <span class="n">col</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">so_res</span><span class="o">.</span><span class="n">keys</span><span class="p">())</span>
                <span class="n">outKeys</span> <span class="o">=</sp