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.

Q: [78.523, 239.098, 9.698, 69.94]

A: 99.315
****
Q: [-98.163, -66.763, 149.544, -89.893, -10.155]

A: -23.086
****
Q: [157.337, 167.818, 247.357, 28.016, -62.002, 240.373, 233.009, 50.509, 169.829, 161.954]

A:
139.42
****