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: [31, -18, 44, 27, -6.644, -6.834, 67, 32.248, -66, 20.334]

[31, -18, 44, 27, 67, -66]