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.
[-81.199, 34.878, 2.012, 55, 70, -21, -99, 4.733, 20, 3.445, 40.235]