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: [-27.253, 26.638, -23.489, 87, -6, 12.081, -11.604, 1.798, -8.988, -52.159, 6]

[87, -6, 6]