<html dir="ltr"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" id="owaParaStyle"></style> </head> <body fpstyle="1" ocsi="0"> <div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;"> <div>I need to write a function that takes a list and cubes the whole list, for instance, <span style="white-space: pre-wrap; ">(cube-all '(3 4 2 5)) returns (27 64 8 125).</span></div> <div><span style="white-space: pre-wrap; "><br> </span></div> <div><span style="white-space: pre-wrap; ">So far I have the code below, but it is not working out like I want it to. Any advice or suggestions?</span></div> <div>(define cube-all </div> <div><span class="Apple-tab-span" style="white-space:pre"></span>(lambda (ls)</div> <div><span class="Apple-tab-span" style="white-space:pre"></span>(if (null? ls)</div> <div><span class="Apple-tab-span" style="white-space:pre"></span>     ls</div> <div><span class="Apple-tab-span" style="white-space:pre"></span>(cons(car ls)(cube-all (cdr ls))</div> </div> </body> </html>