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.

[31.44, -29.248, 21]
[21]

[-57, -61.484, 73, 70]
[-57, 73, 70]

[-64, 14.142, 4, -52, 0.541, -46.632, 0]

[-64, 4, -52, 0]