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: [73.371, -36.208, 20, -12.976, -34.536, -42, -23.346, 62.686]

[20, -42]