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: [778, 314, 636, 813, -463, 378, 468, -609, -23, 704]

[780, 310, 640, 810, -460, 380, 470, -610, -20, 700]