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: [208, -606, 697, 290, 989, 125, -392, -122, 99, 869, -517, -174, 480, 90]

[210, -610, 700, 290, 990, 120, -390, -120, 100, 870, -520, -170, 480, 90]