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:
[59, 57]

Ex Output:
[58.0]


Ex Input:
[58, -15]

Ex Output:
[21.5]


Ex Input:
[-28, 75, -96, -32, -87, -11, 92, 46, -37, 92, 16, 55, -84, -79]

Ex Output:

[23.5, -10.5, -64.0, -59.5, -49.0, 40.5, 69.0, 4.5, 27.5, 54.0, 35.5, -14.5, -81.5]