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: [6.388, 82, 1.721, -63, -20.433, -1, -88, -51.879]

[82, -63, -1, -88]