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.

[-645, 278, 871, 250, 918, 852, 404, -121]
[-640, 280, 870, 250, 920, 850, 400, -120]

[873, 401, 189, -964, -446, -337, -77, 581, 293, 317, 289]
[870, 400, 190, -960, -450, -340, -80, 580, 290, 320, 290]

[-821, -323]
[-820, -320]