diff --git a/.github/workflows/quarto-publish.yml b/.github/workflows/quarto-publish.yml
index 101e663..26e9073 100644
--- a/.github/workflows/quarto-publish.yml
+++ b/.github/workflows/quarto-publish.yml
@@ -25,22 +25,22 @@ jobs:
           quarto install --no-prompt extension grantmcdermott/quarto-revealjs-clean
           quarto install --no-prompt extension ArthurData/quarto-confetti
 
-      # - name: Install Python and Dependencies
-      #   uses: actions/setup-python@v4.3.0
-      #   with:
-      #     python-version: '3.10'
-      #     cache: 'pip'
-      # - run: pip install -r requirements.txt
-
-      # - name: Install R
-      #   uses: r-lib/actions/setup-r@v2
-      #   with:
-      #     r-version: '4.2.0'
-
-      # - name: Install R Dependencies
-      #   uses: r-lib/actions/setup-renv@v2
-      #   with:
-      #     cache-version: 1
+      - name: Install Python and Dependencies
+        uses: actions/setup-python@v4.3.0
+        with:
+          python-version: '3.10'
+          cache: 'pip'
+      - run: pip install -r requirements.txt
+
+      - name: Install R
+        uses: r-lib/actions/setup-r@v2
+        with:
+          r-version: '4.2.0'
+
+      - name: Install R Dependencies
+        uses: r-lib/actions/setup-renv@v2
+        with:
+          cache-version: 1
 
       - name: Publish to GitHub Pages (and render)
         uses: quarto-dev/quarto-actions/publish@v2
diff --git a/index.qmd b/index.qmd
index 40fa564..6c96e49 100644
--- a/index.qmd
+++ b/index.qmd
@@ -60,7 +60,7 @@ different types.
 :::: {.columns}
 
 ::: {.column width="50%"}
-**ToDo**
+Unordered...
 
 ```markdown
 + Learn Markdown
@@ -71,7 +71,7 @@ different types.
 :::
 
 ::: {.column width="50%"}
-**ToDo**
+Unordered...
 
 + Learn Markdown
 + Create Quarto Slides
@@ -92,7 +92,7 @@ different types.
 :::: {.columns}
 
 ::: {.column width="50%"}
-**Ordered**
+Ordered...
 
 ```markdown
 1. A comes before
@@ -103,7 +103,7 @@ different types.
 :::
 
 ::: {.column width="50%"}
-**Ordered**
+Ordered...
 
 1. A comes before
 2. B which is followed by
@@ -166,12 +166,24 @@ You can write equations if you need to.
 
 ## R code
 
+```{R}
+library(ggplot2)
+library(reticulate)
+```
+
 ::: {.notes}
 [R](https://www.r-project.org/) code can be embeded and executed to produce tables and figures.
 :::
 
 ## Python code
 
+Requires you to load the `reticulate` library in R first.
+
+```{python}
+import numpy as np
+import pandas as pd
+```
+
 ::: {.notes}
 As can [Python](https://www.python.org) code.
 :::
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..5da331c
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+numpy
+pandas