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: [-28.736, 2.796, 3.54, -19, -19.15, 0.242, 20, 24.406]

[-19, 20]