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: [526, -582, 25, 244, -57, -666, -412, 238, -775, 893, -526, -176, 21]

[530, -580, 20, 240, -60, -670, -410, 240, -780, 890, -530, -180, 20]