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: [-758, -77, -69, 286, 944, 415, -261, 603, -941, -621, 595, -717, 528, 868, 688]

[-760, -80, -70, 290, 940, 420, -260, 600, -940, -620, 600, -720, 530, 870, 690]