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:
[-14, -93, 6, -75, 34, 96, 8, -65, -91]

Ex Output:
[-53.5, -43.5, -34.5, -20.5, 65.0, 52.0, -28.5, -78.0]


Ex Input:
[82, -6, -31, 31, 30]

Ex Output:
[38.0, -18.5, 0.0, 30.5]


Ex Input:
[-83, 16, 17, 61, -78, -56, -84, 72, 82, -82, 38, 69, -92, 75, 85]

Ex Output:

[-33.5, 16.5, 39.0, -8.5, -67.0, -70.0, -6.0, 77.0, 0.0, -22.0, 53.5, -11.5, -8.5, 80.0]