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: [727, 247, -887, 950, -897, 503, -311, -965, 940, 900, -501, -104, 327, -589, 393]

SOLUTION: [730, 250, -890, 950, -900, 500, -310, -960, 940, 900, -500, -100, 330, -590, 390]

PROBLEM: [123, 617, -368, -127]

SOLUTION:
[120, 620, -370, -130]