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: [565, -831]

SOLUTION: [560, -830]

PROBLEM: [970, 370, -571, -241, 105, -46, 107, -572, 503, -758, 980, 806]

SOLUTION: [970, 370, -570, -240, 100, -50, 110, -570, 500, -760, 980, 810]

PROBLEM: [21, 874, -61, -179]

SOLUTION:
[20, 870, -60, -180]