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: [56, -71, 8.78, 23.26, -35, -70, 5.347, 53.181, 21, 11]

[56, -71, -35, -70, 21, 11]