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.

[-9.301, -10.629, 88.777, 68.965]
34.453

[206.606, -76.103, -16.863, 44.126, 4.019, 15.088]
29.479

[62.624, 94.787]

78.706