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: [56, 97, 69, -28, -60.795, 0.148, 15.424, -23, -47, -61, -90]

[56, 97, 69, -28, -23, -47, -61, -90]