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: [855, -111, -601]

SOLUTION: [860, -110, -600]

PROBLEM: [591, 330, -711, -336, 288, -504, 212, 329, -299, -251, -122, 400, -565, -932, -573]

SOLUTION:
[590, 330, -710, -340, 290, -500, 210, 330, -300, -250, -120, 400, -560, -930, -570]