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:
[74, -26, 94, -68]

Ex Output:
[24.0, 34.0, 13.0]


Ex Input:
[-25, 29, 0, -66, -92, 11, -89, -35, 80, -69, 81, -69]

Ex Output:
[2.0, 14.5, -33.0, -79.0, -40.5, -39.0, -62.0, 22.5, 5.5, 6.0, 6.0]


Ex Input:
[-28, 19, -44, 77, -41, 50, -8, -3, -98, -47, -77, -91]

Ex Output:

[-4.5, -12.5, 16.5, 18.0, 4.5, 21.0, -5.5, -50.5, -72.5, -62.0, -84.0]