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.
[-15.151, -100, 3.426, -7.41, 62, -20.795, -40.513, -40.498, 47.973]