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.
[-5.254, 33.223, 55.935, 0.0, -9.736, 31, -27, 47.487, 4.764]