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: [969, -589, 830, -271, 989, -314, 415, -817, 150, -322, -3]

[970, -590, 830, -270, 990, -310, 420, -820, 150, -320, 0]