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: [-13, 74]

SOLUTION: [39, 148]

PROBLEM: [53, -36]

SOLUTION: [106, 108]

PROBLEM: [-74, -52, -20]

SOLUTION:
[222, 156, 60]

