</span><span class="o">.</span><span class="n">grapa</span><span class="p">()</span>

<span class="n">result</span> <span class="o">=</span> <span class="n">xy</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="s2">&quot;3.14159265358979323846264338327950288419716939937510 * 2;&quot;</span><span class="p">)</span>
<span class="nb">print</span><span class="p">(</span><span class="n">result</span><span class="p">)</span>
</code></pre></div></p>
<hr />
<h2 id="4-paral