Definition: 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.
Input: [-31.629, 3.487, -51.999, 9.83, 6.283, -11.223, 29.925, -28, -33.918]

[-28]