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.

[-55.13, 7.387, 9.881, -20, 6, -38.56, 89]
[-20, 6, 89]

[-52.863, 80, -18.381]
[80]

[25.939, 13, -0.76, -52.064, 48, -12.626, 52, 75]

[13, 48, 52, 75]