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: [-423, 803, 127, -360, 382, 75, 572, 218, -124, -164, -632, 315, -347, -47, -54]

SOLUTION: [-420, 800, 130, -360, 380, 80, 570, 220, -120, -160, -630, 320, -350, -50, -50]

PROBLEM: [-46, 510, -797, 684, 443, 355, -84, -983, 766, 461, 788, -812, -528, 308, 779]

SOLUTION: [-50, 510, -800, 680, 440, 360, -80, -980, 770, 460, 790, -810, -530, 310, 780]

PROBLEM: [257, -703, -856, -371, -335]

SOLUTION:
[260, -700, -860, -370, -340]