diff --git a/01-introduction.html b/01-introduction.html
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diff --git a/02-basics.html b/02-basics.html
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diff --git a/03-control-structures.html b/03-control-structures.html
index 9812817..5c7e0ae 100644
--- a/03-control-structures.html
+++ b/03-control-structures.html
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 <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="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"><
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-<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">
 <ol style="list-style-type: decimal"><li>Because i is incremented before the sum, you are summing 1 to
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@@ -926,7 +926,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
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-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
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 <div class="codewrapper sourceCode" id="cb19">
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diff --git a/04-reusable.html b/04-reusable.html
index efa33ea..058bcc4 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" 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">
 <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>
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   "dateCreated": "2023-05-04",
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diff --git a/05-processing-data-from-file.html b/05-processing-data-from-file.html
index 805be08..43d71e6 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>
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-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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@@ -797,7 +797,7 @@ <h3 class="callout-title">Exercise</h3>
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 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
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@@ -958,7 +958,7 @@ <h3 class="callout-title">Key Points</h3>
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diff --git a/06-date-and-time.html b/06-date-and-time.html
index 46ed6ad..6c6dabd 100644
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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 <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>
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diff --git a/07-json.html b/07-json.html
index 7b09116..e46660f 100644
--- a/07-json.html
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@@ -524,7 +524,7 @@ <h3 class="callout-title">Exercise</h3>
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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">
 <ul><li>
 <code>d</code> is a list of dictionaries</li>
@@ -975,7 +975,7 @@ <h3 class="callout-title">Key Points</h3>
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diff --git a/08-Pandas.html b/08-Pandas.html
index 25f5140..7f4184d 100644
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@@ -739,7 +739,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
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diff --git a/09-extracting-data.html b/09-extracting-data.html
index 3aa1fdc..92f4435 100644
--- a/09-extracting-data.html
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   <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">
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 <div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -577,7 +577,7 @@ <h3 class="callout-title">Exercise</h3>
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 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -751,7 +751,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2023-05-04",
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diff --git a/10-aggregations.html b/10-aggregations.html
index 9061906..d768db8 100644
--- a/10-aggregations.html
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@@ -531,7 +531,7 @@ <h3 class="callout-title">Exercise</h3>
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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">
 <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>
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@@ -864,7 +864,7 @@ <h3 class="callout-title">Key Points</h3>
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diff --git a/11-joins.html b/11-joins.html
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index 0bd407d..a05eb2d 100644
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-<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>
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   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
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diff --git a/13-matplotlib.html b/13-matplotlib.html
index cdb12f5..056bc9a 100644
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   "dateCreated": "2023-05-04",
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diff --git a/14-sqlite.html b/14-sqlite.html
index f8e4c75..9cae79c 100644
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   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
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+  "datePublished": "2024-11-19"
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diff --git a/404.html b/404.html
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--- a/404.html
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diff --git a/AUTHORS.html b/AUTHORS.html
index 50dcd50..9e32c68 100644
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diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 8dda32e..7ae856d 100644
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diff --git a/LICENSE.html b/LICENSE.html
index 9ac4450..e3c9943 100644
--- a/LICENSE.html
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diff --git a/aio.html b/aio.html
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-<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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@@ -1950,7 +1950,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
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-<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">
 <ol style="list-style-type: decimal">
 <li>Because i is incremented before the sum, you are summing 1 to
@@ -2123,7 +2123,7 @@ <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">
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-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
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@@ -2335,7 +2335,7 @@ <h3 class="callout-title">Volume of a cube</h3>
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index 3beabb5..40d35d9 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": "2024-11-12",
-  "datePublished": "2024-11-12"
+  "dateModified": "2024-11-19",
+  "datePublished": "2024-11-19"
 }
 
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diff --git a/instructor/reference.html b/instructor/reference.html
index 476c6e2..ee7029f 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
   "identifier": "https://preview.carpentries.org/python-socialsci/instructor/reference.html",
   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-11-12"
+  "datePublished": "2024-11-19"
 }
 
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diff --git a/key-points.html b/key-points.html
index ba6eb9a..96f9024 100644
--- a/key-points.html
+++ b/key-points.html
@@ -659,8 +659,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://preview.carpentries.org/python-socialsci/key-points.html",
   "identifier": "https://preview.carpentries.org/python-socialsci/key-points.html",
   "dateCreated": "2023-05-04",
-  "dateModified": "2024-11-12",
-  "datePublished": "2024-11-12"
+  "dateModified": "2024-11-19",
+  "datePublished": "2024-11-19"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index 6d40121..e6095cf 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,4 +2,4 @@ pandoc: 3.1.11
 pkgdown: 2.1.1
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-11-12T00:58Z
+last_built: 2024-11-19T01:04Z
diff --git a/profiles.html b/profiles.html
index 7037b3f..9745c53 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": "2024-11-12",
-  "datePublished": "2024-11-12"
+  "dateModified": "2024-11-19",
+  "datePublished": "2024-11-19"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index dce6f6b..f6d9d2a 100644
--- a/reference.html
+++ b/reference.html
@@ -637,7 +637,7 @@ <h3 id="full-shortcut-listing">Full Shortcut Listing<a class="anchor" aria-label
   "identifier": "https://preview.carpentries.org/python-socialsci/reference.html",
   "dateCreated": "2023-05-04",
   "dateModified": "2023-05-04",
-  "datePublished": "2024-11-12"
+  "datePublished": "2024-11-19"
 }
 
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