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: [814, 735, -703, 431, 362, 124, -502, -308, 90, 211]

[810, 740, -700, 430, 360, 120, -500, -310, 90, 210]