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: [-121, 211, 11, -828, 337, -597, 988, -220, 596, 557, -742]

[-120, 210, 10, -830, 340, -600, 990, -220, 600, 560, -740]