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.
[26, 62.878, 62.17, -45, -38, 19.168, -22.883, -20.288, -18.023]