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.

Input: Consider Input: [-62.202, 222.562, -18.684, 67.674, -41.353, 134.927, -92.211]

Output: 30.102


Input: Consider Input: [-73.074, 87.743, 221.875, 126.604, 31.513, 196.863]

Output: 98.587


Input: Consider Input: [159.301, 197.915, 139.146, 227.732, 123.147, 115.352, 213.182, -23.946, 111.067, 86.199]


Output: 134.91