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: [960, -594, 270, 832, 641, -638, 680, -122, -289, 1, -675, -846, -381, 209]

[960, -590, 270, 830, 640, -640, 680, -120, -290, 0, -680, -850, -380, 210]