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: [437, 926, 732, 468, -209, 505, -645, 274, -937, -156, -779]

[440, 930, 730, 470, -210, 500, -640, 270, -940, -160, -780]