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: [897, -325, 338, 296, 69, 813, -389, 694, -143, -758, -415, -897, 30, -296, -502]

SOLUTION: [900, -320, 340, 300, 70, 810, -390, 690, -140, -760, -420, -900, 30, -300, -500]

PROBLEM: [921, 91, 260, -724, 181, 424]

SOLUTION: [920, 90, 260, -720, 180, 420]

PROBLEM: [-335, 743, -703, 197, -47, -491, -285, -371, -985, 919, -730]

SOLUTION:
[-340, 740, -700, 200, -50, -490, -280, -370, -980, 920, -730]