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@@ -243,6 +243,7 @@ This pages are in a rough state. e.g. equations are broken. Don't know why...
 
 ## Advanced Studies
 * Material from ages past
+  - [2022: Preparation -- Python class with and without classes](advanced_studies/python_preparation_2022/README.md)
   - [2022: Deep Networks and Pytorch](advanced_studies/pytorch_2022/README.md)
   - [2022: Divisive inhibition: a dynamical circuit for change detection](advanced_studies/divisive_inhibition_2022/README.md)
   - [2022: Synchronization and dynamic oscillations in the visual system](advanced_studies/synchronization_2022/README.md)