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: [28.794, -71, -5.385, -9, -42.992, 70, 62.923, -13]

[-71, -9, 70, -13]