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: [12.151, 49.273, 58, 56, -36, -43, 31, 42.663, -8.604]

[58, 56, -36, -43, 31]