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: [138, -808, 795, 361, 114, 195, 194, -778, -170, -645, 639, 915, -994, 304]

[140, -810, 800, 360, 110, 200, 190, -780, -170, -640, 640, 920, -990, 300]