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: [55.566, 77, -15.469, 16, 7.787, 32, 96, 52, 9, -7.304, -26.271]

[77, 16, 32, 96, 52, 9]