Definition: 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.
Input: [49, 27, 34.516, 21.021, -3.262, -68, -5.521, -29.708]

[49, 27, -68]