n><span class="nf">(length = 16) -&gt;</span>
  <span class="p">(</span><span class="nx">data</span><span class="p">.</span><span class="nx">all_chars</span><span class="p">[</span><span class="nx">random</span><span class="p">.</span><span class="nx">number</span> <span class="nx">data</span><span class="p">.</span><span class="nx">all_chars</span><span class="p">.</span><span class="nx">length</span><span class="p">]</span> <span class="k">for</span> <span class="nx">i</span> <span class="k">in</span> <sp