(</span><span class="n">source_priors</span><span class="o">.</span><span class="n">keys</span><span class="p">())</span>
<span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="n">source_prior_params</span><span class="o">.</span><span class="n">keys</span><span class="p">())</span>
<span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="n">sampler_names</span><span class="o">.</span><span class="n">keys</span><sp