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.
[28.471, 8.045, 4, 3.648, -59, 4.663, 3.669, 15.296, 12.902, -34, 8.871]