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: [-670, -830, -732, 49, -449, -739, -318, -334, -727, -52, 234, -767]

[-670, -830, -730, 50, -450, -740, -320, -330, -730, -50, 230, -770]