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.
[-64, -6.712, -18.362, 73, -2.59, -1.338, -37.289, 31.979, 0.517]