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: [71.877, 40, -55.65, -8.616, 17.073, 14.782, -24.578, -1, -21.844, -61.591]

[40, -1]