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: [-11, -30, -23.871, 21, 35.802, -37, -24, -47, 20.93, 53.147, -63]

[-11, -30, 21, -37, -24, -47, -63]