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: [635, 338, -321, -593, 759, 305, 466, -320, -751, 997]

[640, 340, -320, -590, 760, 300, 470, -320, -750, 1000]