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: [277, -10, 473, -474, 160, -154, 57, -966, 395, 987, 347, 548, -295]

SOLUTION: [280, -10, 470, -470, 160, -150, 60, -970, 400, 990, 350, 550, -300]

PROBLEM: [307, -80, 669, 533, -803, -10, -709]

SOLUTION: [310, -80, 670, 530, -800, -10, -710]

PROBLEM: [810, -562, -17, 809, 503, 887, 141, -327, 538, 372]

SOLUTION:
[810, -560, -20, 810, 500, 890, 140, -330, 540, 370]