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: [2.551, -83.003, -99, 13.04, 1, -18.087, -69, -87, 23.103]

[-99, 1, -69, -87]