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:
[6, 80, -33, -48, -65, 9, 53, 34, 54]

Ex Output:
[43.0, 23.5, -40.5, -56.5, -28.0, 31.0, 43.5, 44.0]


Ex Input:
[-90, 40, 90]

Ex Output:
[-25.0, 65.0]


Ex Input:
[-95, 27, -16, 17, 75, 23, -47, -36, 37, -58, -100, -34, -55]

Ex Output:

[-34.0, 5.5, 0.5, 46.0, 49.0, -12.0, -41.5, 0.5, -10.5, -79.0, -67.0, -44.5]