In this task you will be given a list of numbers and you need to find the mean (average) of that list. The mean of a list can be found by summing every number in the list then dividing the result by the size of that list. The output should be rounded to 3 decimal places.

[-27.115, -11.908, 125.703, 202.749, 139.333, 242.982, -93.292, 161.484]
92.492

[-3.857, -93.605, 43.857, -73.731, 84.094, -24.492, -41.811, 115.552, 231.429, 130.678]
36.811

[235.155, 2.197, -31.301, 145.214, 119.032, 185.955]

109.375

