Can anyone please tell me Why my code is not Returning answer

Question

https://code.sololearn.com/cVi2zNlFrWto/?ref=app

Answer 1

Kalyan Reddy What are you expect to get as result!!!???

Answer 2

Console.WriteLine(isEmpty("Kalyan"));

Answer 3

I didn't understand that returning the result may print the result???

Answer 4

Ohk thank u i got it by ur question