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: [41.9, -23.13, -100, 67.666, -15, -37.163, -31.317, 50.925, 26.379]

[-100, -15]