TASK 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.
PROBLEM: [20, -49, -43]

SOLUTION: [20, -49, -43]

PROBLEM: [20.739, -1.82, 29, 23, -3.421, -29.422, 5.193, 7.863, -42]

SOLUTION: [29, 23, -42]

PROBLEM: [-67, 4.176, 52, 31, -45.423, -32]

SOLUTION:
[-67, 52, 31, -32]