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.
[-62, -55.109, 18.62, 4, -12.481, 15.789, 20.738, 23.506, -3, 9.975]