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: [-846, 277, -872, -23, 262, 519, 142, 370, 953, 92, 448, 690, -306]

SOLUTION: [-850, 280, -870, -20, 260, 520, 140, 370, 950, 90, 450, 690, -310]

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

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

PROBLEM: [311, -262, 21, -401, 990, -722, 187, 322, 37, -734, 99, 449, 902]

SOLUTION:
[310, -260, 20, -400, 990, -720, 190, 320, 40, -730, 100, 450, 900]