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: [-9.053, -51.82, 79, -10.99, 25.763, -18.694, -4, 21.512]

[79, -4]