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: [-42.7, 26.528, -32, 3.797, -68, -6.23, 67, 5.464, 13]

[-32, -68, 67, 13]