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: [-86, 45, 1, -41, 55, 56, 21, -100]

[258, 90, 2, 123, 110, 112, 42, 300]