instruction:
In this task you will be given a list of integers. For every element in the list, if the element is positive you should multiply it by 2.  If the element is negative you should multiply it by -3. The output should be a list of integers that is the result of applying that logic to the input list.
 Note: A list is presented with comma separated numbers inside two brackets.
question:
[84, 84, -79, 23, 36, -52, -56, 17, 6, -8, -21]
answer:
[168, 168, 237, 46, 72, 156, 168, 34, 12, 24, 63]


question:
[-39, -86, 8, 16]
answer:
[117, 258, 16, 32]


question:
[56, -64, 0, -62, -41, 76, -100, 5, -4, -39, 84]
answer:

[112, 192, 0, 186, 123, 152, 300, 10, 12, 117, 168]