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: [-66, 84, 23.939, -1.925, -85, 1.823, 39, 31, -24.274, -23.72, 4.297]

[-66, 84, -85, 39, 31]