diff --git a/.gitignore b/.gitignore
index b7682a9..f56fee6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,3 +52,4 @@ po/*~
 # renv sandbox needed for renv version 0.16.0
 renv/sandbox # OPTIONAL
 renv/sandbox
+renv/sandbox
diff --git a/renv/profiles/lesson-requirements/renv.lock b/renv/profiles/lesson-requirements/renv.lock
index a20ffbf..9e1d358 100644
--- a/renv/profiles/lesson-requirements/renv.lock
+++ b/renv/profiles/lesson-requirements/renv.lock
@@ -1,6 +1,6 @@
 {
   "R": {
-    "Version": "4.3.2",
+    "Version": "4.3.3",
     "Repositories": [
       {
         "Name": "carpentries",
@@ -17,14 +17,14 @@
     ]
   },
   "Python": {
-    "Version": "3.10.9",
+    "Version": "3.10.12",
     "Type": "virtualenv",
     "Name": "./renv/profiles/lesson-requirements/renv/python/virtualenvs/renv-python-3.10"
   },
   "Packages": {
     "Matrix": {
       "Package": "Matrix",
-      "Version": "1.6-4",
+      "Version": "1.6-5",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -37,7 +37,7 @@
         "stats",
         "utils"
       ],
-      "Hash": "d9c655b30a2edc6bb2244c1d1e8d549d"
+      "Hash": "8c7115cd3a0e048bda2a7cd110549f7a"
     },
     "R6": {
       "Package": "R6",
@@ -51,14 +51,14 @@
     },
     "Rcpp": {
       "Package": "Rcpp",
-      "Version": "1.0.11",
+      "Version": "1.0.12",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "methods",
         "utils"
       ],
-      "Hash": "ae6cbbe1492f4de79c45fce06f967ce8"
+      "Hash": "5ea2700d21e038ace58269ecdbeb9ec0"
     },
     "RcppTOML": {
       "Package": "RcppTOML",
@@ -83,13 +83,14 @@
     },
     "bslib": {
       "Package": "bslib",
-      "Version": "0.6.1",
+      "Version": "0.7.0",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "base64enc",
         "cachem",
+        "fastmap",
         "grDevices",
         "htmltools",
         "jquerylib",
@@ -100,7 +101,7 @@
         "rlang",
         "sass"
       ],
-      "Hash": "c0d8599494bc7fb408cd206bbdd9cab0"
+      "Hash": "8644cc53f43828f19133548195d7e59e"
     },
     "cachem": {
       "Package": "cachem",
@@ -126,25 +127,14 @@
     },
     "digest": {
       "Package": "digest",
-      "Version": "0.6.34",
+      "Version": "0.6.35",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "utils"
       ],
-      "Hash": "7ede2ee9ea8d3edbf1ca84c1e333ad1a"
-    },
-    "ellipsis": {
-      "Package": "ellipsis",
-      "Version": "0.3.2",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "rlang"
-      ],
-      "Hash": "bb0eec2fe32e88d9e2836c2f73ea2077"
+      "Hash": "698ece7ba5a4fa4559e3d537e7ec3d31"
     },
     "evaluate": {
       "Package": "evaluate",
@@ -221,20 +211,19 @@
     },
     "htmltools": {
       "Package": "htmltools",
-      "Version": "0.5.7",
+      "Version": "0.5.8",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "base64enc",
         "digest",
-        "ellipsis",
         "fastmap",
         "grDevices",
         "rlang",
         "utils"
       ],
-      "Hash": "2d7b3857980e0e0d0a1fd6f11928ab0f"
+      "Hash": "149431ee39aba5bdc264112c8ff94444"
     },
     "jquerylib": {
       "Package": "jquerylib",
@@ -274,7 +263,7 @@
     },
     "lattice": {
       "Package": "lattice",
-      "Version": "0.22-5",
+      "Version": "0.22-6",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -285,7 +274,7 @@
         "stats",
         "utils"
       ],
-      "Hash": "7c5e89f04e72d6611c77451f6331a091"
+      "Hash": "cc5ac1ba4c238c7ca9fa6a87ca11a7e2"
     },
     "lifecycle": {
       "Package": "lifecycle",
@@ -300,16 +289,6 @@
       ],
       "Hash": "b8552d117e1b808b09a832f589b79035"
     },
-    "magrittr": {
-      "Package": "magrittr",
-      "Version": "2.0.3",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R"
-      ],
-      "Hash": "7ce2733a9826b3aeb1775d56fd305472"
-    },
     "memoise": {
       "Package": "memoise",
       "Version": "2.0.1",
@@ -363,7 +342,7 @@
     },
     "reticulate": {
       "Package": "reticulate",
-      "Version": "1.34.0",
+      "Version": "1.35.0",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -381,7 +360,7 @@
         "utils",
         "withr"
       ],
-      "Hash": "a69f815bcba8a055de0b08339b943f9e"
+      "Hash": "90be16b53b955990db4aa355c03d85eb"
     },
     "rlang": {
       "Package": "rlang",
@@ -396,7 +375,7 @@
     },
     "rmarkdown": {
       "Package": "rmarkdown",
-      "Version": "2.25",
+      "Version": "2.26",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -409,14 +388,13 @@
         "jsonlite",
         "knitr",
         "methods",
-        "stringr",
         "tinytex",
         "tools",
         "utils",
         "xfun",
         "yaml"
       ],
-      "Hash": "d65e35823c817f09f4de424fcdfa812a"
+      "Hash": "9b148e7f95d33aac01f31282d49e4f44"
     },
     "rprojroot": {
       "Package": "rprojroot",
@@ -430,7 +408,7 @@
     },
     "sass": {
       "Package": "sass",
-      "Version": "0.4.8",
+      "Version": "0.4.9",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -440,78 +418,33 @@
         "rappdirs",
         "rlang"
       ],
-      "Hash": "168f9353c76d4c4b0a0bbf72e2c2d035"
-    },
-    "stringi": {
-      "Package": "stringi",
-      "Version": "1.8.3",
-      "Source": "Repository",
-      "Repository": "carpentries",
-      "Requirements": [
-        "R",
-        "stats",
-        "tools",
-        "utils"
-      ],
-      "Hash": "058aebddea264f4c99401515182e656a"
-    },
-    "stringr": {
-      "Package": "stringr",
-      "Version": "1.5.1",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "cli",
-        "glue",
-        "lifecycle",
-        "magrittr",
-        "rlang",
-        "stringi",
-        "vctrs"
-      ],
-      "Hash": "960e2ae9e09656611e0b8214ad543207"
+      "Hash": "d53dbfddf695303ea4ad66f86e99b95d"
     },
     "tinytex": {
       "Package": "tinytex",
-      "Version": "0.49",
+      "Version": "0.50",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "xfun"
       ],
-      "Hash": "5ac22900ae0f386e54f1c307eca7d843"
-    },
-    "vctrs": {
-      "Package": "vctrs",
-      "Version": "0.6.5",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "cli",
-        "glue",
-        "lifecycle",
-        "rlang"
-      ],
-      "Hash": "c03fa420630029418f7e6da3667aac4a"
+      "Hash": "be7a76845222ad20adb761f462eed3ea"
     },
     "withr": {
       "Package": "withr",
-      "Version": "2.5.2",
+      "Version": "3.0.0",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "grDevices",
-        "graphics",
-        "stats"
+        "graphics"
       ],
-      "Hash": "4b25e70111b7d644322e9513f403a272"
+      "Hash": "d31b6c62c10dcf11ec530ca6b0dd5d35"
     },
     "xfun": {
       "Package": "xfun",
-      "Version": "0.42",
+      "Version": "0.43",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -519,7 +452,7 @@
         "stats",
         "tools"
       ],
-      "Hash": "fd1349170df31f7a10bd98b0189e85af"
+      "Hash": "ab6371d8653ce5f2f9290f4ec7b42a8e"
     },
     "yaml": {
       "Package": "yaml",