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: [-41.19, 24.597, -4.476, -10.991, 20, 54, -66.273, -13.577, 55.477]

[20, 54]