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.
[20.038, 58, -17.854, -9.493, -45.518, 43, -0.539, 2.857, 43.399, 84, 3.126]