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: [4.987, -70.76, 30, 15.743, 16.637, -16.225, 34.055, -66, -69, 56, 17.199]

[30, -66, -69, 56]