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: [289, 565, 644, -963, 293, 511, -687, -74, -905, -845, -870, -862, -621]

[290, 560, 640, -960, 290, 510, -690, -70, -900, -840, -870, -860, -620]