Course-content-and-status.md

@@ -55,7 +55,24 @@ TODO change title to align with the content which is on Jupyter notebooks. Make
 
 # Week 2
 
-## Week 2 and cases. TODO. Fix titles and add a bit introductory text.
+## Week 2 and cases. 
+
+TODO. Fix titles and add a bit introductory text.
+* What do we want to achieve? TODO. Change to. What is the aim of each case? 
+
+* Quiz
+
+## Composite case
+
+## Chalk case
+
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