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: [-352, -788, -731, 157, 390]

SOLUTION: [-350, -790, -730, 160, 390]

PROBLEM: [-945, 162, -957, 115, -87, 929, 321, 373, 532, 315, 956, -997, -311, 18]

SOLUTION: [-940, 160, -960, 120, -90, 930, 320, 370, 530, 320, 960, -1000, -310, 20]

PROBLEM: [763, 713, -872, -71, 294, 702, -290, 238, -194, 511, 234, -647, -139]

SOLUTION:
[760, 710, -870, -70, 290, 700, -290, 240, -190, 510, 230, -650, -140]