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:
[-82, -95, -100, -88]

Ex Output:
[-88.5, -97.5, -94.0]


Ex Input:
[37, 56, 68, -70, 43, 39, 79, 65, 91, 68, -68, -39, 81, -53, 55]

Ex Output:

[46.5, 62.0, -1.0, -13.5, 41.0, 59.0, 72.0, 78.0, 79.5, 0.0, -53.5, 21.0, 14.0, 1.0]