diff --git a/learning_python3.md b/learning_python3.md
index 0274464..42be00b 100644
--- a/learning_python3.md
+++ b/learning_python3.md
@@ -1815,7 +1815,16 @@ if __name__ == "__main__":
 ```
 </details>
 
-## csv, JSON and yaml
+# Text based databases
+
+The todo list example from before is handy but quite *limited* as a database.
+As is it only holds one form or information and that is the *actual task*.
+What if we want to add urgency or mark tasks complete (instead of deleting)?
+This can be done by grouping data together.
+We already saw a dictionaries which are good mapping structures but how can we save them to disk?
+A hacky way would be to write a python file containing the `dict` and `import` it when we need it.
+But there are better ways.
+
 
 # Now for some useful scripting
 
@@ -1823,6 +1832,7 @@ With everything we have learned up until now you can start doing some interestin
 Have a look at [these exercises](https://gitea.86thumbs.net/waldek/linux_course_doc/src/branch/master/modules/qualifying/exercise_python.md).
 You can try them out at your own pace.
 I can give some hints or pointers if needed, either in class or individually.
+Don't hesitate to ask for help!
 
 # Creating our own classes