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: [-91, 64, -12, 49]

SOLUTION: [273, 128, 36, 98]

PROBLEM: [-2, 100, -81, 2, -74, 58, -56, 5, 47, 58]

SOLUTION: [6, 200, 243, 4, 222, 116, 168, 10, 94, 116]

PROBLEM: [-39, 64, -15, 49]

SOLUTION:
[117, 128, 45, 98]