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: [734, -161, -136, 337, -414, -824, 521, 854, 413, -478, -341, -926]

[730, -160, -140, 340, -410, -820, 520, 850, 410, -480, -340, -930]