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: [55.399, -43.592, -22, -3.496, 93, 12, 0.0, -42.957, -28]

[-22, 93, 12, -28]