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: [829, 373, 437, 584, -445, 916, -41, -99, 843, -599, -399, 221, 174, 811]

SOLUTION: [830, 370, 440, 580, -440, 920, -40, -100, 840, -600, -400, 220, 170, 810]

PROBLEM: [1, 666, 923, -978, -211, -28, 833, -218, 98, 731, 275, -389, -613, -693]

SOLUTION: [0, 670, 920, -980, -210, -30, 830, -220, 100, 730, 280, -390, -610, -690]

PROBLEM: [583, -788, -319, 861, 143, -673]

SOLUTION:
[580, -790, -320, 860, 140, -670]