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: [49.457, -11, -86, 0.96, 5, 71.941, 8, 19.644, -28]

[-11, -86, 5, 8, -28]