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: [-28.177, -69, -54.22, 19, -15, 0.0, 28, 26.972, -1.021, 13]

[-69, 19, -15, 28, 13]