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: [7, 21.707, -48.342]

SOLUTION: [7]

PROBLEM: [-9.509, -53, -33.772]

SOLUTION: [-53]

PROBLEM: [18.266, -86.47, -2.226, -30]

SOLUTION:
[-30]