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.
[13.343, 20, -15.251, -43.357, 3.431, -5.857, -54, 64.886, 27]