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, 25]

SOLUTION: [63, 50]

PROBLEM: [-45, -3, 53, -95, -11, -97]

SOLUTION: [135, 9, 106, 285, 33, 291]

PROBLEM: [50, -79, -100, 87, -8]

SOLUTION:
[100, 237, 300, 174, 24]