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:
[78, -7, -51, -29, 74, 31, 32, 78]
answer:
[156, 21, 153, 87, 148, 62, 64, 156]


question:
[38, 67, 0, 63, -29, 84, 24]
answer:
[76, 134, 0, 126, 87, 168, 48]


question:
[100, 64]
answer:

[200, 128]