Action oriented Task: Realisation of production-ready software

The software should be completed so that it could be used productively.

Clarify the requirements of your application!

Should a new student import ...

• delete all existing old student accounts and school classes and create the new ones listed in the CSV file,
• delete old school classes and student accounts that are no longer needed but leave existing ones in place
• or optionally implement both of the above options.

(Sorted by difficulty, other requirements possible)

Then realise the selected requirement.