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: [615, -118]

SOLUTION: [620, -120]

PROBLEM: [964, -652, -364, -90, -744, 144]

SOLUTION: [960, -650, -360, -90, -740, 140]

PROBLEM: [285, -493, 639, -355, 751, -789, 209, -541, 769, 473, -242]

SOLUTION:
[280, -490, 640, -360, 750, -790, 210, -540, 770, 470, -240]