Put this one back to stuff after the introduction

Author: barbarer

pretext/functions/func-group.ptx

@@ -1,14 +1,14 @@
 <?xml version="1.0"?>
 <worksheet xml:id="func_basics_groupsub" groupwork="yes" groupsize="4" label="exercises-groupwork">
   <title>Group Work: Functions</title>
-   <p>It is best to use a POGIL approach with the following. In POGIL students work
+<section xml:id="functions_group-work-functions">
+  <title>Introduction</title>
+  <introduction>
+      <p>It is best to use a POGIL approach with the following. In POGIL students work
             in groups on activities and each member has an assigned role.  For more information see <url href="https://cspogil.org/Home" visual="https://cspogil.org/Home">https://cspogil.org/Home</url>.</p>
   <note>
     <p>If you work in a group, have only one member of the group fill in the answers on this page.  You will be able to share your answers with the group at the bottom of the page.</p>
   </note>
-<section xml:id="functions_group-work-functions">
-  <title>Introduction</title>
-  <introduction>
   <p>
     <term>Learning Objectives</term>
   </p>