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: [-31.815, 45, -22, 11, 29.208, 25.471, -20, -62.138, 26.462]

[45, -22, 11, -20]