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.
[-7.769, -9.742, -3, -7, -49.725, -79, -13.486, 22.186, -57.829]