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: [59.588, 71.316, 32, -66, 37, -91, -26, 91, 73]

[32, -66, 37, -91, -26, 91, 73]