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: [404, -25, 815, 212, -169, -241, -472, 832, 770, -543, -427, 472]

[400, -20, 820, 210, -170, -240, -470, 830, 770, -540, -430, 470]