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.
[87, 28.713, -6.069, 6.234, -20.71, -11, -71.054, 100, -56.297, 40.003, -68]