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: [86, 11.863, 10.597, 11.014, -8.493, -20, 28.649, 26.785, 68.682]

[86, -20]