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: [216.087, 41.07, 213.683, 53.822, 31.214]

A: 111.175
****
Q: [70.568, -80.778]

A: -5.105
****
Q: [146.19, -36.785, 12.158, -7.871, 91.523]

A:
41.043
****