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: [81, 43.929, -24.51, 18.129, 30.344, 70, 4, -55, -91, -9, 27.714]

[81, 70, 4, -55, -91, -9]