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: [874, -831, -918, -671, 956, -942, -396, 579, -813, -47]

SOLUTION: [870, -830, -920, -670, 960, -940, -400, 580, -810, -50]

PROBLEM: [-132, 451, -568, 488, 857, 855, 579, 269, -636, -570, 202, -215, -25, 971, -993]

SOLUTION: [-130, 450, -570, 490, 860, 860, 580, 270, -640, -570, 200, -220, -20, 970, -990]

PROBLEM: [512, -555, 746, -677, 575, 257, 966, -376, 176, 889, -367, 290]

SOLUTION:
[510, -560, 750, -680, 580, 260, 970, -380, 180, 890, -370, 290]