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: [71, -8.672, -2.463, 1.797, 63, -8.164, -73.363, 21.285]

[71, 63]