n>
<span class="Identifier">t</span><span class="Operator">.</span><span class="Identifier">commit</span><span class="Punctuation">(</span><span class="Punctuation">)</span>

<span class="Keyword">for</span> <span class="Identifier">key</span> <span class="Keyword">in</span> <span class="Identifier">db</span><span class="Operator">.</span><span class="Identifier">keys</span><span class="Punctuation">:</span>
  <span class="Identifier">echo</span> <span class="Identifier">key</span>
<span class="Comment"># p