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: [73, 597, 529, -839, -517, -598, 841, 997, 483, 166, -430, 581, -147]

[70, 600, 530, -840, -520, -600, 840, 1000, 480, 170, -430, 580, -150]