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: [456, 889, 588, 723, -830, -140, -828, -278]

SOLUTION: [460, 890, 590, 720, -830, -140, -830, -280]

PROBLEM: [392, 972, -826, -648, -871, 273, -241, -790, -251, 796, -825, 128]

SOLUTION: [390, 970, -830, -650, -870, 270, -240, -790, -250, 800, -820, 130]

PROBLEM: [-439, -839, -502, 113, -269, -910, 440, -700, -191, 416, 845, -274, 346]

SOLUTION:
[-440, -840, -500, 110, -270, -910, 440, -700, -190, 420, 840, -270, 350]