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: [827, 825, -477, 814, 291, 502, 58, 471, -487, 374, 468, -699]

[830, 820, -480, 810, 290, 500, 60, 470, -490, 370, 470, -700]