section-59'>
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                <a href='#section-59'>#</a>
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            <p>වලංගුකිරීම සඳහා නෝඩ් </p>

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            <div class="highlight"><pre><span class="lineno">220</span>        <span class="n">idx_valid</span> <span class="o">=</span> <span class="n">idx_rand</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span 