Definition: 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.
Input: [20.16, 16.606, -33.052, 27.661, 8.312, 13.798, -71, -58.537, 49.299, 20, -35.91]

[-71, 20]