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.

[-11.466, -21, 20.328, 20.846, 4.645, -23.691, -1.658, -2.996, -15]
[-21, -15]

[-36, -42, 97, 0.175, -2.877, -62, 76, -18.385, -42, 2.302]
[-36, -42, 97, -62, 76, -42]

[-20.568, -6.081, 7.961, -27.549, 23.359, 46.324, 28, 48, 32.526, 98, -93]

[28, 48, 98, -93]