diff --git a/01-introduction.html b/01-introduction.html
index 08299d8..f0b2a88 100644
--- a/01-introduction.html
+++ b/01-introduction.html
@@ -626,7 +626,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://preview.carpentries.org/python-socialsci/01-introduction.html",
   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/02-basics.html b/02-basics.html
index 0fcbfc8..9ea1a55 100644
--- a/02-basics.html
+++ b/02-basics.html
@@ -619,7 +619,7 @@ <h3 class="callout-title">Exercise</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Only the last result is printed.</li>
 <li>The 4 ‘items’ are printed by the REPL, but not in the same way as
@@ -669,7 +669,7 @@ <h3 class="callout-title">Exercise</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>Type ‘print’ into a code cell and then type
 <code>shift</code>+<code>tab</code>. The following pop-up should
@@ -1082,7 +1082,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>0 is represented as False and everything else, whether a number or
 string is counted as True</p>
@@ -1163,7 +1163,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb42">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1263,7 +1263,7 @@ <h3 class="callout-title">Exercise</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb47">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1367,7 +1367,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://preview.carpentries.org/python-socialsci/02-basics.html",
   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/03-control-structures.html b/03-control-structures.html
index 5a1e3eb..8bd17c9 100644
--- a/03-control-structures.html
+++ b/03-control-structures.html
@@ -553,7 +553,7 @@ <h3 class="callout-title">Exercise</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -759,7 +759,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Because i is incremented before the sum, you are summing 1 to
 11.</li>
@@ -926,7 +926,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb19">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1020,7 +1020,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/04-reusable.html b/04-reusable.html
index 0aa674f..34ab405 100644
--- a/04-reusable.html
+++ b/04-reusable.html
@@ -568,7 +568,7 @@ <h3 class="callout-title">Volume of a cube</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ul><li>A function to calculate the volume of a cuboid could be:</li>
 </ul><div class="codewrapper sourceCode" id="cb7">
@@ -790,7 +790,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://preview.carpentries.org/python-socialsci/04-reusable.html",
   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/05-processing-data-from-file.html b/05-processing-data-from-file.html
index fb21d82..d3e9d5c 100644
--- a/05-processing-data-from-file.html
+++ b/05-processing-data-from-file.html
@@ -666,7 +666,7 @@ <h3 class="callout-title">Exercise</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb9">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -797,7 +797,7 @@ <h3 class="callout-title">Exercise</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb12">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -958,7 +958,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://preview.carpentries.org/python-socialsci/05-processing-data-from-file.html",
   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/06-date-and-time.html b/06-date-and-time.html
index 0d67816..903b58f 100644
--- a/06-date-and-time.html
+++ b/06-date-and-time.html
@@ -707,7 +707,7 @@ <h3 class="callout-title">Exercise</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb13">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -811,7 +811,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://preview.carpentries.org/python-socialsci/06-date-and-time.html",
   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/07-json.html b/07-json.html
index 2e4b469..3e66b93 100644
--- a/07-json.html
+++ b/07-json.html
@@ -975,7 +975,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://preview.carpentries.org/python-socialsci/07-json.html",
   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/08-Pandas.html b/08-Pandas.html
index bff02de..59a32c8 100644
--- a/08-Pandas.html
+++ b/08-Pandas.html
@@ -525,7 +525,7 @@ <h3 class="callout-title">Exercise</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -652,7 +652,7 @@ <h3 class="callout-title">Exercise</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -739,7 +739,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://preview.carpentries.org/python-socialsci/08-Pandas.html",
   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/09-extracting-data.html b/09-extracting-data.html
index b95c842..1a09d81 100644
--- a/09-extracting-data.html
+++ b/09-extracting-data.html
@@ -751,7 +751,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://preview.carpentries.org/python-socialsci/09-extracting-data.html",
   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/10-aggregations.html b/10-aggregations.html
index 2dac55e..b25bb10 100644
--- a/10-aggregations.html
+++ b/10-aggregations.html
@@ -531,7 +531,7 @@ <h3 class="callout-title">Exercise</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>We know from when we originally displayed the contents of the
 <code>df_SAFI</code> Dataframe that there are 131 rows in it. This
@@ -751,7 +751,7 @@ <h3 class="callout-title">Exercise</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb26">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -864,7 +864,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://preview.carpentries.org/python-socialsci/10-aggregations.html",
   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/11-joins.html b/11-joins.html
index d5b5031..83628d7 100644
--- a/11-joins.html
+++ b/11-joins.html
@@ -619,7 +619,7 @@ <h3 class="callout-title">Practice with data</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb11">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -720,7 +720,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://preview.carpentries.org/python-socialsci/11-joins.html",
   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/12-long-and-wide.html b/12-long-and-wide.html
index b4a6c3a..1a96812 100644
--- a/12-long-and-wide.html
+++ b/12-long-and-wide.html
@@ -617,7 +617,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Read in Newspapers.csv file and keep only the dailies.</li>
 </ol><div class="codewrapper sourceCode" id="cb15">
@@ -749,7 +749,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://preview.carpentries.org/python-socialsci/12-long-and-wide.html",
   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/13-matplotlib.html b/13-matplotlib.html
index a1924f4..01d7a3c 100644
--- a/13-matplotlib.html
+++ b/13-matplotlib.html
@@ -549,7 +549,7 @@ <h3 class="callout-title">Exercise</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>Most importantly the data in the graphs is the same. There are
 cosmetic differences in the scale points in the x and y axis and in the
@@ -571,7 +571,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>For the scatter plot:</p>
 <div class="codewrapper sourceCode" id="cb8">
@@ -714,7 +714,7 @@ <h3 class="callout-title">Exercise</h3>
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -902,7 +902,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://preview.carpentries.org/python-socialsci/13-matplotlib.html",
   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
   </script><script>
diff --git a/14-sqlite.html b/14-sqlite.html
index 2bebfc3..5fe1aee 100644
--- a/14-sqlite.html
+++ b/14-sqlite.html
@@ -543,7 +543,7 @@ <h3 class="callout-title">Exercise</h3>
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 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li><p>When the line of code is run the first time you get an error
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diff --git a/404.html b/404.html
index 2f8e8e9..66b63b0 100644
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diff --git a/AUTHORS.html b/AUTHORS.html
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diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index cd15816..d97d1ea 100644
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diff --git a/LICENSE.html b/LICENSE.html
index 6cbce72..e856d9d 100644
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diff --git a/aio.html b/aio.html
index 75a3d75..531e6cf 100644
--- a/aio.html
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
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-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>Type ‘print’ into a code cell and then type
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 <div class="codewrapper sourceCode" id="cb4">
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 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Because i is incremented before the sum, you are summing 1 to
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 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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 <div class="accordion-body">
 <ul>
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 </button>
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 </button>
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 </button>
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 </button>
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 </button>
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>We know from when we originally displayed the contents of the
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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 <ol style="list-style-type: decimal">
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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 <p>Most importantly the data in the graphs is the same. There are
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 <p>For the scatter plot:</p>
 <div class="codewrapper sourceCode" id="cb8">
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 </button>
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 </button>
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li><p>When the line of code is run the first time you get an error
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diff --git a/images.html b/images.html
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index 5282a42..ef939b9 100644
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diff --git a/instructor/01-introduction.html b/instructor/01-introduction.html
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diff --git a/instructor/02-basics.html b/instructor/02-basics.html
index 8930041..7849e7c 100644
--- a/instructor/02-basics.html
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 <p>Type ‘print’ into a code cell and then type
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@@ -1084,7 +1084,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
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@@ -1265,7 +1265,7 @@ <h3 class="callout-title">Exercise</h3>
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-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
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diff --git a/instructor/03-control-structures.html b/instructor/03-control-structures.html
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-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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 <ol style="list-style-type: decimal"><li>Because i is incremented before the sum, you are summing 1 to
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diff --git a/instructor/04-reusable.html b/instructor/04-reusable.html
index 504c7e9..a388002 100644
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diff --git a/instructor/05-processing-data-from-file.html b/instructor/05-processing-data-from-file.html
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diff --git a/instructor/07-json.html b/instructor/07-json.html
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diff --git a/instructor/08-Pandas.html b/instructor/08-Pandas.html
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-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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diff --git a/instructor/10-aggregations.html b/instructor/10-aggregations.html
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diff --git a/instructor/12-long-and-wide.html b/instructor/12-long-and-wide.html
index 9cb01e1..03a85df 100644
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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 <ol style="list-style-type: decimal"><li>Read in Newspapers.csv file and keep only the dailies.</li>
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@@ -751,7 +751,7 @@ <h3 class="callout-title">Key Points</h3>
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diff --git a/instructor/14-sqlite.html b/instructor/14-sqlite.html
index 5c1acd0..d989887 100644
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diff --git a/instructor/aio.html b/instructor/aio.html
index affa175..be96f7c 100644
--- a/instructor/aio.html
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 <ol style="list-style-type: decimal">
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 <ol style="list-style-type: decimal">
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 <div class="codewrapper sourceCode" id="cb11">
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Read in Newspapers.csv file and keep only the dailies.</li>
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 <p>Most importantly the data in the graphs is the same. There are
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 <div class="accordion-body">
 <p>For the scatter plot:</p>
 <div class="codewrapper sourceCode" id="cb8">
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 <div class="codewrapper sourceCode" id="cb14">
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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 <div class="codewrapper sourceCode" id="cb5">
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@@ -6251,7 +6251,7 @@ <h3 class="callout-title">Exercise</h3>
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   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb12">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -6384,7 +6384,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li><p>When the line of code is run the first time you get an error
@@ -6479,8 +6479,8 @@ <h3 class="callout-title">Key Points</h3>
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   "identifier": "https://preview.carpentries.org/python-socialsci/instructor/aio.html",
   "dateCreated": "2023-05-04",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
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diff --git a/instructor/discuss.html b/instructor/discuss.html
index 133cfc7..6547751 100644
--- a/instructor/discuss.html
+++ b/instructor/discuss.html
@@ -462,7 +462,7 @@ <h1>Discussion</h1>
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   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
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diff --git a/instructor/images.html b/instructor/images.html
index e10eb9e..f67ceb5 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -579,8 +579,8 @@ <h3 id="13-matplotlib-figure-10">Figure 10</h3>
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   "identifier": "https://preview.carpentries.org/python-socialsci/instructor/images.html",
   "dateCreated": "2023-05-04",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
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diff --git a/instructor/index.html b/instructor/index.html
index f360b2f..246b437 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -769,8 +769,8 @@ <h3 id="running-jupyter-notebooks-in-windows">Running Jupyter Notebooks in Windo
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   "identifier": "https://preview.carpentries.org/python-socialsci/instructor/index.html",
   "dateCreated": "2023-05-04",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
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diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index f1713b6..1b74911 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -694,8 +694,8 @@ <h1>Instructor Notes</h1>
   "url": "https://preview.carpentries.org/python-socialsci/instructor/instructor-notes.html",
   "identifier": "https://preview.carpentries.org/python-socialsci/instructor/instructor-notes.html",
   "dateCreated": "2023-05-04",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
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 }
 
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diff --git a/instructor/key-points.html b/instructor/key-points.html
index 7e6bd7c..ed2f00b 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -661,8 +661,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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   "identifier": "https://preview.carpentries.org/python-socialsci/instructor/key-points.html",
   "dateCreated": "2023-05-04",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
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diff --git a/instructor/profiles.html b/instructor/profiles.html
index 6bb3985..4591375 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -418,8 +418,8 @@ <h1>Learner Profiles</h1>
   "url": "https://preview.carpentries.org/python-socialsci/instructor/profiles.html",
   "identifier": "https://preview.carpentries.org/python-socialsci/instructor/profiles.html",
   "dateCreated": "2023-05-04",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
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diff --git a/instructor/reference.html b/instructor/reference.html
index e07da40..d31fae5 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -639,7 +639,7 @@ <h3 id="full-shortcut-listing">Full Shortcut Listing<a class="anchor" aria-label
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   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
 }
 
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diff --git a/key-points.html b/key-points.html
index 7b872e3..3124270 100644
--- a/key-points.html
+++ b/key-points.html
@@ -659,8 +659,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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   "identifier": "https://preview.carpentries.org/python-socialsci/key-points.html",
   "dateCreated": "2023-05-04",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
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diff --git a/pkgdown.yml b/pkgdown.yml
index 6ec05c7..d1e3299 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,4 +2,4 @@ pandoc: 3.1.11
 pkgdown: 2.1.1
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-12-03T01:05Z
+last_built: 2024-12-10T01:06Z
diff --git a/profiles.html b/profiles.html
index 54c4524..720ad4c 100644
--- a/profiles.html
+++ b/profiles.html
@@ -418,8 +418,8 @@ <h1>Learner Profiles</h1>
   "url": "https://preview.carpentries.org/python-socialsci/profiles.html",
   "identifier": "https://preview.carpentries.org/python-socialsci/profiles.html",
   "dateCreated": "2023-05-04",
-  "dateModified": "2024-12-03",
-  "datePublished": "2024-12-03"
+  "dateModified": "2024-12-10",
+  "datePublished": "2024-12-10"
 }
 
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diff --git a/reference.html b/reference.html
index 3f9b369..8ab4717 100644
--- a/reference.html
+++ b/reference.html
@@ -637,7 +637,7 @@ <h3 id="full-shortcut-listing">Full Shortcut Listing<a class="anchor" aria-label
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   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-12-03"
+  "datePublished": "2024-12-10"
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