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: [-6, -1.218, -0.196, 18, 15.779, 16.011, -81, 74.051, -74.132, -59.624, 40]

[-6, 18, -81, 40]