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: [-17.931, -39.03, 43.889, -22.292, 71, 75, -40.877, 31, -16.442]

[71, 75, 31]