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: [-964, -625, 887, -448, -705, 1000, -29, -329, 379, -225, 63, 917, -790, 570, 683]

[-960, -620, 890, -450, -700, 1000, -30, -330, 380, -220, 60, 920, -790, 570, 680]