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+# Information for sessions/lessons
+
+> Here, we keep class materials for the weeks that require them. This hasn't been necessary during our individual project-focussed weeks, but later weeks (after submission of first assignments, most likely) may see further docs added here.
+
+## Contributing
+
+Like any other part of this repo, students are welcome to submit merge requests updating content in these folders with more information, corrections and so on.