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: [862, 469, 844, 491, -850, -665, -469, 207, 857, -533, -464]

[860, 470, 840, 490, -850, -660, -470, 210, 860, -530, -460]