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.
[-11.359, -8, 20.544, 24.168, 42, 9.778, -60.724, -6.333, -2.523]