In this task you are given a list of numbers and you need to find the average of each two consecutive values. The average of two numbers a and b is calculated as: (a + b) /2. The output should be a list of the averages of each two consecutive values. A list is presented with two brackets and comma-separated values, like: [1,2,3].

Ex Input:
[16, 96, -27, -13, -86, -98, -68, 27, 66, 95, -26, -34, -94]

Ex Output:
[56.0, 34.5, -20.0, -49.5, -92.0, -83.0, -20.5, 46.5, 80.5, 34.5, -30.0, -64.0]


Ex Input:
[-56, 63, 38, -20, 81, -95]

Ex Output:
[3.5, 50.5, 9.0, 30.5, -7.0]


Ex Input:
[-4, 6, -57, -79, 61, 46, 41, -17, 77, 31]

Ex Output:

[1.0, -25.5, -68.0, -9.0, 53.5, 43.5, 12.0, 30.0, 54.0]