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: [247, -100, -472, 971, 581, -739, 526, -878, -57, -964, 710, -905, 957]

[250, -100, -470, 970, 580, -740, 530, -880, -60, -960, 710, -900, 960]