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.

[-10, 26, 55.415, 15]
[-10, 26, 15]

[31.44, -29.248, 21]
[21]

[90, 55, -13, -56.977, 20.473]

[90, 55, -13]