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:
[-72, 72, -34, 49, -10, 60, -21, -14]

Ex Output:
[0.0, 19.0, 7.5, 19.5, 25.0, 19.5, -17.5]


Ex Input:
[-74, -74, 64, -88, 59, 99, 27, -18, -49]

Ex Output:
[-74.0, -5.0, -12.0, -14.5, 79.0, 63.0, 4.5, -33.5]


Ex Input:
[47, -34, -85, 10, -2, -43, -43, 65, 88]

Ex Output:

[6.5, -59.5, -37.5, 4.0, -22.5, -43.0, 11.0, 76.5]