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: [-17, -72.495, 73, -77.144, 20.614, -6.014, -68, 6.769]

[-17, 73, -68]