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:
[-71, 91, 51, -78, -87, -87, 71]

Ex Output:
[10.0, 71.0, -13.5, -82.5, -87.0, -8.0]


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:
[-65, -93, 65, 26, 66]

Ex Output:

[-79.0, -14.0, 45.5, 46.0]