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.

[661, 69, 577, 199, -478, 620, 640, 609]
[660, 70, 580, 200, -480, 620, 640, 610]

[-331, 368, -137, -428, -651, -275, 65, -511, 491, -699, -749, 462, -414]
[-330, 370, -140, -430, -650, -280, 60, -510, 490, -700, -750, 460, -410]

[-643, -235, 139, 423, -386, -72, 29, 732, -612, -307, 507, 402, -29, -408, -468]

[-640, -240, 140, 420, -390, -70, 30, 730, -610, -310, 510, 400, -30, -410, -470]