TASK 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.
PROBLEM: [-19, -95, -54, -20, 15]

SOLUTION: [57, 285, 162, 60, 30]

PROBLEM: [83, -87, 89, 76]

SOLUTION: [166, 261, 178, 152]

PROBLEM: [-100, -29]

SOLUTION:
[300, 87]