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: [-21, 12, 36, 17, -96, 18.147, -34, 4.788, 8.947]

[-21, 12, 36, 17, -96, -34]