Thanks for note!

Thanks for the tips, I haven't really done any programming in awhile so I'm quite rusty.

Absolutley! :D
I fixed the description. Your comment also inspired me to make the siren sounds more prominent :)

Removed the test case with null.

In what language?

Chrono79 - Look at my comment above

thanks. Updated the description!

thank you for your comment <3. i shall use string.Concat next time

Thank you. You are right with the int but I'm not a huge fan of non obvious implicit casts :)

Yes, definitely simpler. Not sure about more performant...maybe.

awesome thank you so much for your feedback) I did it like that because the orderby wasn't storing how I thought it ought to. I really enjoyed reading your solutions thanks again

Yes.

True, but sometimes performance is not always the goal. Sometimes simplicity and maintainability are also important.