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: [78, 3, 87, -60, 73, -90, 73, -54, 63, -55, -39]

SOLUTION: [156, 6, 174, 180, 146, 270, 146, 162, 126, 165, 117]

PROBLEM: [66, 64]

SOLUTION: [132, 128]

PROBLEM: [54, -81, 4, 40, 27, 13, 20]

SOLUTION:
[108, 243, 8, 80, 54, 26, 40]