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.

[-95.352, -26.358, 34.234, 162.959, 239.101, 137.014]
75.266

[89.047, 195.178]
142.112

[117.533, 165.004, 47.135, 36.04, 41.132, 151.275, -4.899, 143.367]

87.073