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: [20.455, -9.563, -68, 9, -21.144, 32.26, 88, -60, 21.302, 0.318, 7]

[-68, 9, 88, -60, 7]