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: [934, 954, -289, -173, 656, -415, 221, -777, -261, 173, 321]

[930, 950, -290, -170, 660, -420, 220, -780, -260, 170, 320]