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: [750, -708]

SOLUTION: [750, -710]

PROBLEM: [39, 999, 751, -51]

SOLUTION: [40, 1000, 750, -50]

PROBLEM: [838, -608, -80, 800, -864, -609]

SOLUTION:
[840, -610, -80, 800, -860, -610]