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: [-72, 32, -45.865, 61, 70.84, -13.394, 25.652, -18, -36.899]

[-72, 32, 61, -18]