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.

[26.145, -44.254, 127.581, 162.122, 82.003, 143.809, 96.47, 34.362, 71.469]
77.745

[18.155, 114.069, 197.871, -99.696, 201.18]
86.316

[111.795, 7.779, 210.061, 171.378, -8.863, 120.227]

102.063