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: [217, 900, 794, -648, 144, 435, 797, -494, -687, -885, -502, -268, 286]

[220, 900, 790, -650, 140, 440, 800, -490, -690, -880, -500, -270, 290]