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: [341, -531, 526, -214, 330, 713, -753, 56, 47, -484, -778, 385, 0]

[340, -530, 530, -210, 330, 710, -750, 60, 50, -480, -780, 380, 0]