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: [9.899, 20.514, 20, -86, -3.439, 30.733, -2.098, -89.711, 17]

[20, -86, 17]