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:
[-44, -27, 29, 71, 76, 17, -66, -81]

Ex Output:
[-35.5, 1.0, 50.0, 73.5, 46.5, -24.5, -73.5]


Ex Input:
[-71, -61, -75, 65, -16, -56, 58, -39, 19, 55, -66, -24]

Ex Output:
[-66.0, -68.0, -5.0, 24.5, -36.0, 1.0, 9.5, -10.0, 37.0, -5.5, -45.0]


Ex Input:
[-11, -4, -47, 89, 65, 48, -30, -73, -45, -36, 68, 78, -50, 91, 18]

Ex Output:

[-7.5, -25.5, 21.0, 77.0, 56.5, 9.0, -51.5, -59.0, -40.5, 16.0, 73.0, 14.0, 20.5, 54.5]