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: [-15.998, -42.733, 1.058, 32.711, -8, -38.585, -18, 5, 79, 74.252, 56]

[-8, -18, 5, 79, 56]