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: [343, 823, -161, 671, -767, -287, 801, 599, 789, -740, -241, 351, -668, 680]

[340, 820, -160, 670, -770, -290, 800, 600, 790, -740, -240, 350, -670, 680]