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.
[49.763, -81, -36.026, -46.562, -19.633, -20.281, 1.459, 40.992]