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: [634, 418, 250, -635, -678, -204, 943, -647, -807, 188, -903, 749, 574, 766]

[630, 420, 250, -640, -680, -200, 940, -650, -810, 190, -900, 750, 570, 770]