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.
Input: [4, -482, 289, 508, 227, 434, -195, 471, -311, 907, 532, -637]

[0, -480, 290, 510, 230, 430, -200, 470, -310, 910, 530, -640]