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: [474, 814, -656, -630, 361, 113, -430, -366, 753, 944, -170, 251, -843, 240, 877]

[470, 810, -660, -630, 360, 110, -430, -370, 750, 940, -170, 250, -840, 240, 880]