The length to pad the sequences to.</span>
<span class="sd">    padding_value : Union[str, int]</span>
<span class="sd">        The value to pad the sequences with.</span>

<span class="sd">    Returns</span>
<span class="sd">    -------</span>
<span class="sd">    List[List[Union[str, int]]</span>
<span class="sd">        The padded sequences.</span>
<span class="sd">    &quot;&quot;&quot;</span>
    <span class="n">lens</span> <span class="o">=</span> <span class="p">[</span><span class="nb">len</span><sp