<p style="clear:both;vertical-align:baseline;line-height:17.600000381469727px;font-size:13.600000381469727px;font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;margin:0px 0px 1em;word-wrap:break-word;border:0px;padding:0px">

Hi,</p><p style="clear:both;vertical-align:baseline;line-height:17.600000381469727px;font-size:13.600000381469727px;font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;margin:0px 0px 1em;word-wrap:break-word;border:0px;padding:0px">

I have an experiment for my project, basically, I need to <em style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">embedded</em> some s-expression into the code and make it run, like this,</p>

<pre style="margin-top:0px;margin-bottom:10px;padding:5px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:rgb(238,238,238);font-family:Consolas,Menlo,Monaco,&#39;Lucida Console&#39;,&#39;Liberation Mono&#39;,&#39;DejaVu Sans Mono&#39;,&#39;Bitstream Vera Sans Mono&#39;,&#39;Courier New&#39;,monospace,serif;overflow:auto;width:auto;max-height:600px;line-height:17.600000381469727px">
<code style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;font-family:Consolas,Menlo,Monaco,&#39;Lucida Console&#39;,&#39;Liberation Mono&#39;,&#39;DejaVu Sans Mono&#39;,&#39;Bitstream Vera Sans Mono&#39;,&#39;Courier New&#39;,monospace,serif"><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;color:rgb(0,0,139);background-repeat:initial initial">define</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent"> </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">test lst</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">)</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">
    </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;color:rgb(0,0,139);background-repeat:initial initial">define</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent"> num </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;color:rgb(128,0,0);background-repeat:initial initial">1</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">)</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">
    </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;color:rgb(0,0,139);background-repeat:initial initial">define</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent"> l </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">list</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">))</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">
    </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">`@</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">lst</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">)</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent"> </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;color:gray;background-repeat:initial initial">; oh, this is not the right way to go.</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">

  </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;color:rgb(0,0,139);background-repeat:initial initial">define</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent"> lst
    </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">`</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent"> </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;color:rgb(0,0,139);background-repeat:initial initial">define</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent"> num2 </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">add1 num</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">))</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">
      </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">displayln num2</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">)))</span></code></pre>

<p style="clear:both;vertical-align:baseline;line-height:17.600000381469727px;font-size:13.600000381469727px;font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;margin:0px 0px 1em;word-wrap:break-word;border:0px;padding:0px">

I want the <code style="margin:0px;padding:1px 5px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:rgb(238,238,238);font-family:Consolas,Menlo,Monaco,&#39;Lucida Console&#39;,&#39;Liberation Mono&#39;,&#39;DejaVu Sans Mono&#39;,&#39;Bitstream Vera Sans Mono&#39;,&#39;Courier New&#39;,monospace,serif;background-repeat:initial initial">test</code> function be like after <code style="margin:0px;padding:1px 5px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:rgb(238,238,238);font-family:Consolas,Menlo,Monaco,&#39;Lucida Console&#39;,&#39;Liberation Mono&#39;,&#39;DejaVu Sans Mono&#39;,&#39;Bitstream Vera Sans Mono&#39;,&#39;Courier New&#39;,monospace,serif;background-repeat:initial initial">test(lst)</code> in racket code:</p>

<pre style="margin-top:0px;margin-bottom:10px;padding:5px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:rgb(238,238,238);font-family:Consolas,Menlo,Monaco,&#39;Lucida Console&#39;,&#39;Liberation Mono&#39;,&#39;DejaVu Sans Mono&#39;,&#39;Bitstream Vera Sans Mono&#39;,&#39;Courier New&#39;,monospace,serif;overflow:auto;width:auto;max-height:600px;line-height:17.600000381469727px">
<code style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;font-family:Consolas,Menlo,Monaco,&#39;Lucida Console&#39;,&#39;Liberation Mono&#39;,&#39;DejaVu Sans Mono&#39;,&#39;Bitstream Vera Sans Mono&#39;,&#39;Courier New&#39;,monospace,serif"><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;color:rgb(0,0,139);background-repeat:initial initial">define</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent"> </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">test lst</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">)</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">
    </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;color:rgb(0,0,139);background-repeat:initial initial">define</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent"> num </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;color:rgb(128,0,0);background-repeat:initial initial">1</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">)</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">
    </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;color:rgb(0,0,139);background-repeat:initial initial">define</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent"> l </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">list</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">))</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">
    </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;color:rgb(0,0,139);background-repeat:initial initial">define</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent"> num2 </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">add1 num</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">)</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">
    </span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">(</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent">displayln num2</span><span style="margin:0px;padding:0px;border:0px;font-size:13.600000381469727px;vertical-align:baseline;background-color:transparent;background-repeat:initial initial">))</span></code></pre>

<p style="clear:both;vertical-align:baseline;line-height:17.600000381469727px;font-size:13.600000381469727px;font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;margin:0px 0px 1em;word-wrap:break-word;border:0px;padding:0px">

How can I do this in racket?</p><p style="clear:both;vertical-align:baseline;line-height:17.600000381469727px;font-size:13.600000381469727px;font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;margin:0px 0px 1em;word-wrap:break-word;border:0px;padding:0px">
Thanks,</p><p style="clear:both;vertical-align:baseline;line-height:17.600000381469727px;font-size:13.600000381469727px;font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;margin:0px 0px 1em;word-wrap:break-word;border:0px;padding:0px">
--Monica</p>