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: [25, -50, -11, -32.915, 42, 24.512, 31, 24, 86, -21]

[25, -50, -11, 42, 31, 24, 86, -21]