In this task you will be given a list of numbers. You should remove any number that is not an integer (whole number). If every number is not an whole number then an empty list ("[]") should be returned. Otherwise, answer with the list of whole numbers separated by comma inside brackets.
[58.811, -72, 35.237, -35.247, -1.454, -8.62, -100, -24.27, 97, 11.99, 21]