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: [78, -7, -51, -29, 74, 31, 32, 78]

SOLUTION: [156, 21, 153, 87, 148, 62, 64, 156]

PROBLEM: [-31, 48, 31, -14, -52, -91, -30, 90, -95, -81]

SOLUTION: [93, 96, 62, 42, 156, 273, 90, 180, 285, 243]

PROBLEM: [70, -30, 45]

SOLUTION:
[140, 90, 90]