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: [355, -725, -138, -531, -735, 542, -109, -718, -696, -742, -171]

[360, -720, -140, -530, -740, 540, -110, -720, -700, -740, -170]