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: [-22, -18.664, -28.189, 96, -67, 63.679, -20, 20.428, 78.31, -66, -28]

[-22, 96, -67, -20, -66, -28]