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.
Input: [940, 820, -1000, -830, -684, -358, -712, -692, 863, 211, 345, -926]

[940, 820, -1000, -830, -680, -360, -710, -690, 860, 210, 340, -930]