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: [29.831, -20, 47, 33.041, -64, -52, -49]

[-20, 47, -64, -52, -49]