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: [15, 17.87, -73, -45, 55.34, -21.65, 1, -10.99]

[15, -73, -45, 1]