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, 43, 78, -30, 53]

Ex Output:
[-14.5, 60.5, 24.0, 11.5]


Ex Input:
[24, 45, -50, 2, -75, -84, 83, -44, 89, -50, -65, 23, 94]

Ex Output:
[34.5, -2.5, -24.0, -36.5, -79.5, -0.5, 19.5, 22.5, 19.5, -57.5, -21.0, 58.5]


Ex Input:
[-75, 17, -17, 23, -50, -62, 80, -42, -60, 7, 30, -72]

Ex Output:

[-29.0, 0.0, 3.0, -13.5, -56.0, 9.0, 19.0, -51.0, -26.5, 18.5, -21.0]