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.
[-1.023, 13.694, 21.424, -1.216, 47.445, 6.701, 17.258, -3.816]