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: [4.093, 19, -53, -56.454, 28.422, 71.056, 48.643, 1, -15, -15.31, 7]

[19, -53, 1, -15, 7]