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: [74.601, 131.018, -45.91]

A: 53.236
****
Q: [117.913, 21.456, 98.401, -32.801, -20.798, 182.745, 201.277]

A: 81.17
****
Q: [196.5, 175.311, 53.002, 42.547]

A:
116.84
****