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: [-2.739, 3.385, -18, -13.04, -70.02, -40.946, -0.638, -79, 34.905, -31, 42]

[-18, -79, -31, 42]