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: [-90.813, -6.737, 8.79, 99, 40, -14.27, -60.972, -15, -1.113, 36, 20.247]

[99, 40, -15, 36]