TASK 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.
PROBLEM: [-404, -299, -642, 19, 900, -320, -410, 23, 719, -384, 157, 517]

SOLUTION: [-400, -300, -640, 20, 900, -320, -410, 20, 720, -380, 160, 520]

PROBLEM: [344, 313, 186, 811, 481, -30]

SOLUTION: [340, 310, 190, 810, 480, -30]

PROBLEM: [750, 898, 451]

SOLUTION:
[750, 900, 450]