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: [423, -110, -766, 153, -304, 811, 519, 122, 334, -738, 298]

[420, -110, -770, 150, -300, 810, 520, 120, 330, -740, 300]