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.

[230.375, -45.327, 112.137, 109.305]
101.622

[-62.202, 222.562, -18.684, 67.674, -41.353, 134.927, -92.211]
30.102

[106.01, 11.072, -70.575, -23.197, 238.627, 235.865, -35.386]

66.059