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.

[15, 631, -499, -483, 591, -993, -766, 523, 611, 319, 266, 847]
[20, 630, -500, -480, 590, -990, -770, 520, 610, 320, 270, 850]