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.
[-0.256, -6, 29, 42.268, 45.882, 0.907, -2.523, -57, 78, 76.968, 59.421]