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

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

PROBLEM: [889, -265, 43, -318, 597, -678, 621, -324, -711, 189, 810, 25, -268]

SOLUTION: [890, -260, 40, -320, 600, -680, 620, -320, -710, 190, 810, 20, -270]

PROBLEM: [57, -890, -857, -160, 278, -995, -511, 663, -368, 431, 567, 581]

SOLUTION:
[60, -890, -860, -160, 280, -1000, -510, 660, -370, 430, 570, 580]