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: [-30.6, -18, 9, -82, 16, 21.789, 96, 48, -31.856]

[-18, 9, -82, 16, 96, 48]