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: [27, 73, -35, 68.769, -7, 30.307, -1.912, 15.551, 12, -31.328]

[27, 73, -35, -7, 12]