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: [60.615, -23.695, 0.489, -33, 29.3, -91, 1.698, -0.888]

[-33, -91]