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: [267, -507, 16, -541, -646, -187, 814, -334, 535, -262, 770, 918, 24, 385]

[270, -510, 20, -540, -650, -190, 810, -330, 540, -260, 770, 920, 20, 380]