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: [-20, -2, -6.046, -6.509, -20, -62, -76.542, 8.869, 56.879, -60]

[-20, -2, -20, -62, -60]