I declare MyException and i have error. Thanks you.

Question

MyException.
https://code.sololearn.com/cR7lycFpgLVJ/?ref=app

Answer 1

You have to make new exception class
https://code.sololearn.com/c4vwUvRh6iaw/?ref=app

Answer 2

So you are using your own custom exception but you are not implemented that exception so first define that exception and use it as @BlazingMagpie given an example... Hope it helps..