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: [-853, -923, 160, -48, 931, 676, -854, -558, 959, 244, -561, -206, -905, -966]

SOLUTION: [-850, -920, 160, -50, 930, 680, -850, -560, 960, 240, -560, -210, -900, -970]

PROBLEM: [-253, -353, -21, -839, 247, 935, -389, 437, -59, -709, -131]

SOLUTION:
[-250, -350, -20, -840, 250, 940, -390, 440, -60, -710, -130]