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: [23.291, 74, 41.855, 20.077, 98, 59.275, -90, 6.398]

[74, 98, -90]