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: [75, 26, 63, 4]

SOLUTION: [150, 52, 126, 8]

PROBLEM: [35, -17, -59, -46, 35, 42, 80]

SOLUTION: [70, 51, 177, 138, 70, 84, 160]

PROBLEM: [75, -69, 86, 74]

SOLUTION:
[150, 207, 172, 148]