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.
[4.948, 21.239, -57.256, 7.772, 3.081, 1.14, 4.535, -24, -15.153]