oresym">keys</span> (<span class="mdzsyn-coresym">keys</span> <span class="mdzsyn-symbol">solutions</span>)))

(<span class="mdzsyn-coresym">let</span> [<span class="mdzsyn-symbol">arr</span> @[<span class="mdzsyn-number">2</span> <span class="mdzsyn-number">4</span> <span class="mdzsyn-number">1</span> <span class="mdzsyn-number">3</span> <span class="mdzsyn-number">8</span> <span class="mdzsyn-number">7</span> <span class="mdzsyn-number">-3</span> <span class="mdzsyn-number">-1</span> <span class="mdzsyn-