    Returns</span>
<span class="sd">    -------</span>
<span class="sd">    int</span>
<span class="sd">        Number of molecules in the dataset.</span>
<span class="sd">    &quot;&quot;&quot;</span>
    <span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">label_encoded_molecules</span><span class="p">)</span>
</code></pre></div></td></tr></table></div>
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