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: [99, -395, -380, -272, 328, -353, 504, -443, -780, -646, 886, 519, -339, -205, 700]

[100, -400, -380, -270, 330, -350, 500, -440, -780, -650, 890, 520, -340, -200, 700]