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.
[37, -66, -6.365, -34, 42, -43.395, -17.871, 29.995, 21.335, -18.666]