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.
[1.559, -16.775, -2.349, -34.92, 13.534, 19.429, -0.839, 36.728, -7.888]