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: [-140, 488, 527, 623, 126, -597, 249, -988, -389, 499, -404, 596, -394, -777]

SOLUTION: [-140, 490, 530, 620, 130, -600, 250, -990, -390, 500, -400, 600, -390, -780]

PROBLEM: [-19, -838, 0, -686, 967, -237, -536, 970, 848, 504]

SOLUTION: [-20, -840, 0, -690, 970, -240, -540, 970, 850, 500]

PROBLEM: [-792, 991, 158, 782, 282, 43, -280, 581]

SOLUTION:
[-790, 990, 160, 780, 280, 40, -280, 580]