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:
[85, 64]

Ex Output:
[74.5]


Ex Input:
[-2, -26, 60, 94, 36, -43, -53, 74, -93, 51, -46, 85, 23, 71]

Ex Output:
[-14.0, 17.0, 77.0, 65.0, -3.5, -48.0, 10.5, -9.5, -21.0, 2.5, 19.5, 54.0, 47.0]


Ex Input:
[32, -96, -69, -7, 11, 49, 56, 36, 58, 39, 36]

Ex Output:

[-32.0, -82.5, -38.0, 2.0, 30.0, 52.5, 46.0, 47.0, 48.5, 37.5]