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: [49, -0.049, 38, 28.792, 80.089, -17.843, -0.292, 0.468, 6.209, -73, 20.603]

[49, 38, -73]