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: [-863, -425, -351]

SOLUTION: [-860, -420, -350]

PROBLEM: [-339, -989, -267, 503, -834, -627, 680, -64, 98, 540, 100]

SOLUTION: [-340, -990, -270, 500, -830, -630, 680, -60, 100, 540, 100]

PROBLEM: [53, -698, -446, -866, 668, -371, 392, -794, -28, 21, -45, 568, -976, -917]

SOLUTION:
[50, -700, -450, -870, 670, -370, 390, -790, -30, 20, -40, 570, -980, -920]