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: [84, 84, -79, 23, 36, -52, -56, 17, 6, -8, -21]

SOLUTION: [168, 168, 237, 46, 72, 156, 168, 34, 12, 24, 63]

PROBLEM: [-55, 3, -86]

SOLUTION: [165, 6, 258]

PROBLEM: [-78, 83, 29, 79, -41, -76, 63, -90, -5, -73, 16]

SOLUTION:
[234, 166, 58, 158, 123, 228, 126, 270, 15, 219, 32]