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:
[82, -37, 81]

Ex Output:
[22.5, 22.0]


Ex Input:
[41, -89, 75, -25, 95, -19, 62, -66, -87, -51, -1, 94]

Ex Output:
[-24.0, -7.0, 25.0, 35.0, 38.0, 21.5, -2.0, -76.5, -69.0, -26.0, 46.5]


Ex Input:
[-67, -35, -59, 46, -45, 12]

Ex Output:

[-51.0, -47.0, -6.5, 0.5, -16.5]