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, -14.263, 15.63, -23.232, -61, -24.07, -88, -13.467, 6, -7.866]

[-2, -61, -88, 6]