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: [-8, 21]

SOLUTION: [24, 42]

PROBLEM: [-3, 10, -9, -32, 33, -46]

SOLUTION: [9, 20, 27, 96, 66, 138]

PROBLEM: [54, 68, -86, -78, 27, -77, -45]

SOLUTION:
[108, 136, 258, 234, 54, 231, 135]