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:
[-44, -27, 29, 71, 76, 17, -66, -81]

Ex Output:
[-35.5, 1.0, 50.0, 73.5, 46.5, -24.5, -73.5]


Ex Input:
[-38, 16, 22, 72, 38, -22, 16, -14, 8, -69, 52, -91, -96, 70]

Ex Output:
[-11.0, 19.0, 47.0, 55.0, 8.0, -3.0, 1.0, -3.0, -30.5, -8.5, -19.5, -93.5, -13.0]


Ex Input:
[45, 38, -33, 77, 21, 38, 100, -29, -59, 82, -33, -81]

Ex Output:

[41.5, 2.5, 22.0, 49.0, 29.5, 69.0, 35.5, -44.0, 11.5, 24.5, -57.0]