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.
[39, 30.879, 94, -8.811, -1.549, 41, -90, -45.82, 11, -37.819, 56.663]