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: [31.041, -42.489, -14.789, 17, -0.549, 73, -21, 3.02]

[17, 73, -21]