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:
[-21, 25]
answer:
[63, 50]


question:
[-15, 0, 89, 7]
answer:
[45, 0, 178, 14]


question:
[-15, -47]
answer:

[45, 141]