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: [-25.043, -38.622, -64, -17, -6.771, -9.569, 27.946, -7.788, 56.362]

[-64, -17]