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: [19.065, -1.521, 5.603, -26, 4.922, -36.168, 47, -31.924, -61.821]

[-26, 47]