&#34;&#34;&#34;
    df[classification_col].fillna(0, inplace=True)
    return df</code></pre>
</details>
</dd>
<dt id="w4h.classify.get_unique_wells"><code class="name flex">
<span>def <span class="ident">get_unique_wells</span></span>(<span>df, wellid_col='API_NUMBER', verbose=False, log=False)</span>
</code></dt>
<dd>
<div class="desc"><p>Gets unique wells as a dataframe based on a given column name.</p>
<h2 id="parameters">Parameters</h2>
<dl>
<dt><strong><code>df</code></strong> :&ensp;<code>pandas.Data