fixes to get rid of duplicate ids

Author: barbarer

pretext/functions/funcWithLists.ptx

@@ -9,6 +9,8 @@
 <section xml:id="functions_group-work-functions-and-lists">
   <title>Learning Objectives</title>
   <introduction>
+
+    
   <p>Students will know and be able to do the following.</p>
   <p>
     <em>Content Objectives:</em>

pretext/functions/funcWithListsAndLoops.ptx

@@ -64,7 +64,7 @@
   <subsection xml:id="flal_the-for-each-loop">
     <title>The For-Each Loop</title>
     <p>A for-each loop in Python will loop though the items in a list starting with the item at index 0, then index 1, and so on till the last item in the list.</p>
-    <exercise label="funct_ll_fitb_count_odd_first">
+    <exercise label="flal_ll_fitb_count_odd_first">
       <statement>
         <p>What is the first thing that will be printed by the code below? <var/>  </p>
       </statement>

pretext/functions/funcWithStrsAndConds.ptx

@@ -596,11 +596,11 @@ main()
     <subsection xml:id="fsc_logical-operators-and-complex-conditionals">
     <title>Logical Operators and Complex Conditionals</title>
     <p>The logical operators in Python are <c>and</c>, <c>or</c>, and <c>not</c>. These can be used to create complex conditionals.</p>
-     <exercise label="func_ac_and_complex_cond">
+     <exercise label="fsc_ac_and_complex_cond">
       <statement>
         <p>Modify this code to use a complex conditional instead.  It should still pass all tests. It should only take four lines of code or less.</p>
       </statement>
-      <program xml:id="func_ac_and_complex_cond_editor" interactive="activecode" language="python">
+      <program xml:id="fsc_ac_and_complex_cond_editor" interactive="activecode" language="python">
         <input>
 # function definition
 def test(a):

pretext/tuples/debugging.ptx

@@ -44,7 +44,7 @@
     </choices>
   </exercise>
   <exercise>
-    <statement label="tuple-wrong-data-struct-1">
+    <statement label="tuple-deb-wrong-data-struct-1">
       <p>11-9-2: A(n) ________ is an error that is caused when a data structure has the wrong type, size, or composition. <var/>  </p>
     </statement>
     <setup>