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.

[-517, 506, 780, -780]
[-520, 510, 780, -780]

[670, -84, -247, -143, -517, 113, 91]
[670, -80, -250, -140, -520, 110, 90]

[398, 290, 926, -7, 535, 942, -489, -583, 56, 1000]

[400, 290, 930, -10, 540, 940, -490, -580, 60, 1000]