uppose you want to calculate the sum of the first 10 natural numbers 0 through
9. There are many ways to carry out this explicit calculation.  A succinct way
in Janet is:
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<pre class="mendoza-codeblock"><code data-language="janet">(<span class="mdzsyn-coresym">+</span> ;(<span class="mdzsyn-coresym">range</span> <span class="mdzsyn-number">10</span>))</code></pre><p>We will limit ourselves however to using explicit looping and no functions like
<code class="mendoza-code">(range n)</code> which generate 