pan><span class="se">\n</span><span class="s">&quot;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">output</span><span class="p">)</span>

    <span class="k">def</span> <span class="nf">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__repr__</span><span class="p">()</span>

    <span class="nd">@property</spa