Do cleanup
Optional parameters in controllers (API route ? keyword)
Do Fibonacci as a recursive function
you are passed a list of IDs and an object containing a string 'event' (the state) and the corresponding ID. write tests to figure out which state the ID is on and/or which events is has passed. events are:
- non existent
- create
- in progress/actions
- completed
- error use linq as much as possible event's an ordered list