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: [18, 57, 1.72, -74, 32, 7.176, 33.283, 8.131, 6.538]

[18, 57, -74, 32]