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: [640, 777, -304, 153, 222, -650, -402, -319]

SOLUTION: [640, 780, -300, 150, 220, -650, -400, -320]

PROBLEM: [-916, 35, 26, -973, 833, -105, -971, 839, 147, 157, -891]

SOLUTION: [-920, 40, 30, -970, 830, -100, -970, 840, 150, 160, -890]

PROBLEM: [-279, -930, -958, 3, 568, -684, 616, -883, -918]

SOLUTION:
[-280, -930, -960, 0, 570, -680, 620, -880, -920]