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: [-50.368, 1.608, -15, -6.099, -40.767, -37, 57, 72, -18.225, 4.338]

[-15, -37, 57, 72]