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: [91, 18.078, -1, 7.746, -63.346, 7, 27.937, 47]

[91, -1, 7, 47]