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: [13.434, -39, -4.373, 10.959, -23.411, 91, -5.483, -4.089]

[-39, 91]