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: [661, 69, 577, 199, -478, 620, 640, 609]

SOLUTION: [660, 70, 580, 200, -480, 620, 640, 610]

PROBLEM: [711, -384, -986, -170, -647, -967, 114, -906, -879, 922, -156, -199, 834, -93, -763]

SOLUTION: [710, -380, -990, -170, -650, -970, 110, -910, -880, 920, -160, -200, 830, -90, -760]

PROBLEM: [12, 398, -379]

SOLUTION:
[10, 400, -380]