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: [29, 145, -415, 192, -308, 616, -671, -525, 780, 669, -366, -964, 355, -981]

[30, 140, -420, 190, -310, 620, -670, -520, 780, 670, -370, -960, 360, -980]