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.
[18.547, -47.417, 13.783, 84, 9.351, 21.926, -18, -7, 4.946, 0.0, 5.993]