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: [640, 777, -304, 153, 222, -650, -402, -319]

SOLUTION: [640, 780, -300, 150, 220, -650, -400, -320]

PROBLEM: [864, 484, 727, -929, 780, 306, 606, -155]

SOLUTION: [860, 480, 730, -930, 780, 310, 610, -160]

PROBLEM: [-640, -128, 40, 842, -412, 713, 676, -541]

SOLUTION:
[-640, -130, 40, 840, -410, 710, 680, -540]