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: [473, 689, 166, 51, -798, -728, -887, -269, 287, 986, 703, 484, 195, 340]

[470, 690, 170, 50, -800, -730, -890, -270, 290, 990, 700, 480, 200, 340]