diff --git a/00-short-introduction-to-Python.html b/00-short-introduction-to-Python.html
index dbfa13fe..8e0bb8c8 100644
--- a/00-short-introduction-to-Python.html
+++ b/00-short-introduction-to-Python.html
@@ -722,7 +722,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/00-short-introduction-to-Python.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/01-starting-with-data.html b/01-starting-with-data.html
index a3c461e8..5c77c1f5 100644
--- a/01-starting-with-data.html
+++ b/01-starting-with-data.html
@@ -784,7 +784,7 @@ <h3 class="callout-title">Challenge - Summary Data<a class="anchor" aria-label="
 <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">Did you get #3 right?</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><strong>A Snippet of the Output from challenge 3 looks
 like:</strong></p>
@@ -1012,7 +1012,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/01-starting-with-data.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/02-index-slice-subset.html b/02-index-slice-subset.html
index 638f2351..6f1a2f46 100644
--- a/02-index-slice-subset.html
+++ b/02-index-slice-subset.html
@@ -893,7 +893,7 @@ <h3 class="callout-title">Challenge - Putting it all together<a class="anchor" a
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/02-index-slice-subset.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/03-data-types-and-format.html b/03-data-types-and-format.html
index 034745a5..39f96f93 100644
--- a/03-data-types-and-format.html
+++ b/03-data-types-and-format.html
@@ -686,7 +686,7 @@ <h3 id="recap">Recap<a class="anchor" aria-label="anchor" href="#recap"></a></h3
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/03-data-types-and-format.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/04-merging-data.html b/04-merging-data.html
index 5cc80b78..2ef368cc 100644
--- a/04-merging-data.html
+++ b/04-merging-data.html
@@ -460,7 +460,7 @@ <h3 class="callout-title">Challenge - Combine Data<a class="anchor" aria-label="
 <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">Solution to Challenge</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="cb6">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -674,7 +674,7 @@ <h3 class="callout-title">Challenge - Distributions<a class="anchor" aria-label=
 <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">Solution to challenge</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="cb12">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -762,7 +762,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/04-merging-data.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/05-loops-and-functions.html b/05-loops-and-functions.html
index 77e75365..ecd3f8e8 100644
--- a/05-loops-and-functions.html
+++ b/05-loops-and-functions.html
@@ -1090,7 +1090,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/05-loops-and-functions.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/06-visualization-ggplot-python.html b/06-visualization-ggplot-python.html
index 6626054e..24d4b5e5 100644
--- a/06-visualization-ggplot-python.html
+++ b/06-visualization-ggplot-python.html
@@ -561,7 +561,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/06-visualization-ggplot-python.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/07-putting-it-all-together.html b/07-putting-it-all-together.html
index a766e56b..5529e5df 100644
--- a/07-putting-it-all-together.html
+++ b/07-putting-it-all-together.html
@@ -681,7 +681,7 @@ <h3 class="callout-title">Challenge - Final Plot<a class="anchor" aria-label="an
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/07-putting-it-all-together.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/08-working-with-sql.html b/08-working-with-sql.html
index 152f32d5..34f463bb 100644
--- a/08-working-with-sql.html
+++ b/08-working-with-sql.html
@@ -519,7 +519,7 @@ <h3 class="callout-title">Challenge - Saving your work<a class="anchor" aria-lab
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/08-working-with-sql.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index bad4a678..1347b07e 100644
--- a/404.html
+++ b/404.html
@@ -349,8 +349,8 @@ <h1>Page not found</h1>
   "url": "https://carpentries-incubator.github.io/python-humanities-lesson/404.html",
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/404.html",
   "dateCreated": "2024-02-13",
-  "dateModified": "2024-03-19",
-  "datePublished": "2024-03-19"
+  "dateModified": "2024-03-26",
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index fa773fcb..9caf2fc3 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -363,7 +363,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/CODE_OF_CONDUCT.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/CONTRIBUTORS.html b/CONTRIBUTORS.html
index 046151c3..33426730 100644
--- a/CONTRIBUTORS.html
+++ b/CONTRIBUTORS.html
@@ -388,7 +388,7 @@ <h3 class="code-label">SH<i aria-hidden="true" data-feather="chevron-left"></i><
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/CONTRIBUTORS.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index 64cf3082..c621659d 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -414,7 +414,7 @@ <h1>Licenses</h1>
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/LICENSE.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/NEWS.html b/NEWS.html
index f587b7b5..9ac59c88 100644
--- a/NEWS.html
+++ b/NEWS.html
@@ -358,7 +358,7 @@ <h1></h1>
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/NEWS.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index 624d5783..e271b66e 100644
--- a/aio.html
+++ b/aio.html
@@ -1268,7 +1268,7 @@ <h3 class="callout-title">Challenge - Summary Data<a class="anchor" aria-label="
 <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">Did you get #3 right?</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><strong>A Snippet of the Output from challenge 3 looks
 like:</strong></p>
@@ -2541,7 +2541,7 @@ <h3 class="callout-title">Challenge - Combine Data<a class="anchor" aria-label="
 <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">Solution to Challenge</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="cb6">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2765,7 +2765,7 @@ <h3 class="callout-title">Challenge - Distributions<a class="anchor" aria-label=
 <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">Solution to challenge</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="cb12">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -4309,8 +4309,8 @@ <h3 class="callout-title">Challenge - Saving your work<a class="anchor" aria-lab
   "url": "https://carpentries-incubator.github.io/python-humanities-lesson/aio.html",
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/aio.html",
   "dateCreated": "2024-02-13",
-  "dateModified": "2024-03-19",
-  "datePublished": "2024-03-19"
+  "dateModified": "2024-03-26",
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/discuss.html b/discuss.html
index 45e34fbe..18c07d2e 100644
--- a/discuss.html
+++ b/discuss.html
@@ -356,7 +356,7 @@ <h1>Discussion</h1>
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/discuss.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/images.html b/images.html
index 6761509f..72f8918f 100644
--- a/images.html
+++ b/images.html
@@ -434,8 +434,8 @@ <h3 id="06-visualization-ggplot-python-figure-7">Figure 7</h3>
   "url": "https://carpentries-incubator.github.io/python-humanities-lesson/images.html",
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/images.html",
   "dateCreated": "2024-02-13",
-  "dateModified": "2024-03-19",
-  "datePublished": "2024-03-19"
+  "dateModified": "2024-03-26",
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/index.html b/index.html
index 65096eb4..d22f8946 100644
--- a/index.html
+++ b/index.html
@@ -593,8 +593,8 @@ <h3 id="help-and-more-information">Help and more information<a class="anchor" ar
   "url": "https://carpentries-incubator.github.io/python-humanities-lesson/index.html",
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/index.html",
   "dateCreated": "2024-02-13",
-  "dateModified": "2024-03-19",
-  "datePublished": "2024-03-19"
+  "dateModified": "2024-03-26",
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/instructor-notes.html b/instructor-notes.html
index 3e583296..85e5c6be 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -936,8 +936,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
   "url": "https://carpentries-incubator.github.io/python-humanities-lesson/instructor-notes.html",
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/instructor-notes.html",
   "dateCreated": "2024-02-13",
-  "dateModified": "2024-03-19",
-  "datePublished": "2024-03-19"
+  "dateModified": "2024-03-26",
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/instructor/00-short-introduction-to-Python.html b/instructor/00-short-introduction-to-Python.html
index ab687963..d45070df 100644
--- a/instructor/00-short-introduction-to-Python.html
+++ b/instructor/00-short-introduction-to-Python.html
@@ -724,7 +724,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/instructor/00-short-introduction-to-Python.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/instructor/01-starting-with-data.html b/instructor/01-starting-with-data.html
index 9cdc62a3..665879d3 100644
--- a/instructor/01-starting-with-data.html
+++ b/instructor/01-starting-with-data.html
@@ -786,7 +786,7 @@ <h3 class="callout-title">Challenge - Summary Data<a class="anchor" aria-label="
 <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">Did you get #3 right?</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><strong>A Snippet of the Output from challenge 3 looks
 like:</strong></p>
@@ -1014,7 +1014,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/instructor/01-starting-with-data.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/instructor/02-index-slice-subset.html b/instructor/02-index-slice-subset.html
index 1dd88002..85c878c9 100644
--- a/instructor/02-index-slice-subset.html
+++ b/instructor/02-index-slice-subset.html
@@ -895,7 +895,7 @@ <h3 class="callout-title">Challenge - Putting it all together<a class="anchor" a
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/instructor/02-index-slice-subset.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/instructor/03-data-types-and-format.html b/instructor/03-data-types-and-format.html
index 1eaac8ea..89720d14 100644
--- a/instructor/03-data-types-and-format.html
+++ b/instructor/03-data-types-and-format.html
@@ -688,7 +688,7 @@ <h3 id="recap">Recap<a class="anchor" aria-label="anchor" href="#recap"></a></h3
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/instructor/03-data-types-and-format.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/instructor/04-merging-data.html b/instructor/04-merging-data.html
index ffffff16..7ba5a2ba 100644
--- a/instructor/04-merging-data.html
+++ b/instructor/04-merging-data.html
@@ -462,7 +462,7 @@ <h3 class="callout-title">Challenge - Combine Data<a class="anchor" aria-label="
 <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">Solution to Challenge</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="cb6">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -676,7 +676,7 @@ <h3 class="callout-title">Challenge - Distributions<a class="anchor" aria-label=
 <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">Solution to challenge</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="cb12">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -764,7 +764,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/instructor/04-merging-data.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/instructor/05-loops-and-functions.html b/instructor/05-loops-and-functions.html
index 73e41ef4..62493d50 100644
--- a/instructor/05-loops-and-functions.html
+++ b/instructor/05-loops-and-functions.html
@@ -1092,7 +1092,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
   "identifier": "https://carpentries-incubator.github.io/python-humanities-lesson/instructor/05-loops-and-functions.html",
   "dateCreated": "2024-02-13",
   "dateModified": "2024-02-13",
-  "datePublished": "2024-03-19"
+  "datePublished": "2024-03-26"
 }
 
   </script><script>
diff --git a/instructor/06-visualization-ggplot-python.html b/instructor/06-visualization-ggplot-python.html
index 4b060814..593c45f1 100644
--- a/instructor/06-visualization-ggplot-python.html
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