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:
[61, -99, -96]

Ex Output:
[-19.0, -97.5]


Ex Input:
[84, -12, 27, 10, 23, -64, -8, 23, 3, -90, 87, 4, -74]

Ex Output:
[36.0, 7.5, 18.5, 16.5, -20.5, -36.0, 7.5, 13.0, -43.5, -1.5, 45.5, -35.0]


Ex Input:
[-52, -41, 25, 7, -96, -81, 44, 92, -83, -29, 1, 0]

Ex Output:

[-46.5, -8.0, 16.0, -44.5, -88.5, -18.5, 68.0, 4.5, -56.0, -14.0, 0.5]