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: [921, -867, 580, 424, 686, 170, 700, -89, -512, -750, -525]

[920, -870, 580, 420, 690, 170, 700, -90, -510, -750, -520]