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: [-533, -200, 607, 657, 979, -377, 102, 529]

SOLUTION: [-530, -200, 610, 660, 980, -380, 100, 530]

PROBLEM: [-307, -283, -640]

SOLUTION: [-310, -280, -640]

PROBLEM: [18, -109, -451, 112, -1, 83, -557, 835, 227, -232, -45, 236, -336]

SOLUTION:
[20, -110, -450, 110, 0, 80, -560, 840, 230, -230, -40, 240, -340]