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: [435, 312, 48, 137, 571, -756, 979, 362, -217, -29, 421, 340, -416, 994]

[440, 310, 50, 140, 570, -760, 980, 360, -220, -30, 420, 340, -420, 990]