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: [-19, 1.639, 18.242, -70.424, 36.704, -19, -17.924, -36, 9, -89, 1.903]

[-19, -19, -36, 9, -89]