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: [-386, -713, 388, -979, -830, 464, -862, 654, -72, 370, -19, 252, -556, -696]

[-390, -710, 390, -980, -830, 460, -860, 650, -70, 370, -20, 250, -560, -700]