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: [-638, 723, 469, -320, -612, -715, -416, -268, 889, 546]

SOLUTION: [-640, 720, 470, -320, -610, -720, -420, -270, 890, 550]

PROBLEM: [-831, 535, 218, 526, 657, -110, -393, -554, -178, 884, -896, 328]

SOLUTION: [-830, 540, 220, 530, 660, -110, -390, -550, -180, 880, -900, 330]

PROBLEM: [643, 761, -370, 993, 429, -713, 920, -620, -43]

SOLUTION:
[640, 760, -370, 990, 430, -710, 920, -620, -40]