+## Overview
+
+TODO add a short description. State the number of questions that will be asked. Include expectations about time commitment. Explain the idea of the solution report
+
+Note that you can clear **all** your answers to *all* questions by clicking "Start Over" in the left-hand sidebar, but doing that basically erases all progress in the document and your answers to any questions will be deleted. *Use with caution* (if at all)!
+
## Section 1: Warmup exercises
-TODO add a short description. State the number of questions that will be asked. Include expectations about time commitment.
+TODO add a short description of this section.
### Code Chunk Warm-up