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: [206, 454, -366, 109, -195, 964, 803, 119, -286, 672, 639, -523, -354]

SOLUTION: [210, 450, -370, 110, -200, 960, 800, 120, -290, 670, 640, -520, -350]

PROBLEM: [893, 530, 25, -492, 946, 484, -277, -393, -101]

SOLUTION: [890, 530, 20, -490, 950, 480, -280, -390, -100]

PROBLEM: [-640, 500, -804, -286, -614]

SOLUTION:
[-640, 500, -800, -290, -610]