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.
[-0.769, 3.18, 15.521, -20.573, -0.549, -0.967, 7, 35.175, 39.554]