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: [51.954, -27.328, -7.129, -68.198, 20, 6.137, 13.997, -8.437]

[20]