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.
Input: [129, 394, 23, -912, 260, -867, 200, -413, 863, 886, 655, -473, 247, -477]

[130, 390, 20, -910, 260, -870, 200, -410, 860, 890, 660, -470, 250, -480]