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: [84, 84, -79, 23, 36, -52, -56, 17, 6, -8, -21]

SOLUTION: [168, 168, 237, 46, 72, 156, 168, 34, 12, 24, 63]

PROBLEM: [-18, -10, 6, -69, -32, 81, 36, 14, -55]

SOLUTION: [54, 30, 12, 207, 96, 162, 72, 28, 165]

PROBLEM: [-85, 74, -54]

SOLUTION:
[255, 148, 162]