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: [-21, -93]

SOLUTION: [63, 279]

PROBLEM: [24, 15, 5, 66, 24, -13, 12]

SOLUTION: [48, 30, 10, 132, 48, 39, 24]

PROBLEM: [-19, -39, -73]

SOLUTION:
[57, 117, 219]