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: [0.556, 12.89, 9.026, -23, 21, 24.733, 0.0, 14, 3.408]

[-23, 21, 14]