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: [6, 37.253, 18.011, -43, 5.864, 73, -64.575, 36.743]

[6, -43, 73]