39;tub&#39;, &#39;xray&#39;])</span>

<span class="nb">print</span><span class="p">(</span><span class="n">CPDs</span><span class="p">[</span><span class="s1">&#39;smoke&#39;</span><span class="p">])</span>
<span class="c1">#    smoke    p</span>
<span class="c1"># 0      0  0.5</span>
<span class="c1"># 1      1  0.5</span>
</pre></div>
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