TASK DEFINITION: In this task you will be given a list of integers. You should round each integer to the nearest tens place. That means you should round the number to the nearest multiple of 10.
PROBLEM: [-517, 506, 780, -780]

SOLUTION: [-520, 510, 780, -780]

PROBLEM: [-691, -701, 619, -724, -371, 449, -416, -140, 423, 324, -690, 118, 443]

SOLUTION: [-690, -700, 620, -720, -370, 450, -420, -140, 420, 320, -690, 120, 440]

PROBLEM: [-286, 404, 85, -563, 422, 755, -350, 760, -63, -442, 419, -239, -930, -17, -525]

SOLUTION:
[-290, 400, 80, -560, 420, 760, -350, 760, -60, -440, 420, -240, -930, -20, -520]