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: [477, -774, -797, -928, -250, -424, 836, 947, -668, -875, -139, -835]

[480, -770, -800, -930, -250, -420, 840, 950, -670, -880, -140, -840]