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: [480, -393, -746, -920, 751, -371, 562, -541, 710, 407, 848, 875, -991, 42, 867]

[480, -390, -750, -920, 750, -370, 560, -540, 710, 410, 850, 880, -990, 40, 870]