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.
[8.741, 6.486, 60, 6, 49.081, -6.147, 87, 1.204, -20, 45, 35]