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: [-17, -20.91, -71, -68.287, 61, -54.228, -25.854, -26]

[-17, -71, 61, -26]