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.

[-21.776, 7.573]
[]

[69, -88, 31.276, 19, -2.835, 40, 9.642, 39.269, 18.297]
[69, -88, 19, 40]

[22, 34.25, 53.39, 11.053, 56.269, -83, 12, 6.737]

[22, -83, 12]