diff --git a/theme1/PE100/python-and-jupyter.qmd b/theme1/PE100/python-and-jupyter.qmd
index bb0d78e..7d5f1f7 100644
--- a/theme1/PE100/python-and-jupyter.qmd
+++ b/theme1/PE100/python-and-jupyter.qmd
@@ -3,6 +3,8 @@ title: Python Programming and Jupyter Notebooks
 toc: false
 ---
 
+- [Types, Variables, and Operators](PE100-02TypesVarsAndOperators.ipynb)
+- [Decision Structures](PE100-03DecisionStructures.ipynb)
 - [Repetition](PE100-04Repetition.ipynb)
 - [Functions](PE100-05Functions.ipynb)
 - [Files](PE100-06Files.ipynb)