Definition: 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.
Input: [-91, 64, 68, -29, -95, 64, 79, 81, -43, -18]

[273, 128, 136, 87, 285, 128, 158, 162, 129, 54]