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: [1.421, -35.454, -51, 29.433, -2.857, -24.102, -23.325, 6, 52.4, -71.422]

[-51, 6]