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: [-27.384, -30.17, 16.206, -22.139, -37, -33, 20]

[-37, -33, 20]