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:
[91, 4, -53, 2, 79, -22, -71]

Ex Output:
[47.5, -24.5, -25.5, 40.5, 28.5, -46.5]


Ex Input:
[-34, 88, -96, -69, -61, -55, 86]

Ex Output:
[27.0, -4.0, -82.5, -65.0, -58.0, 15.5]


Ex Input:
[95, 4, -98, -63, -81, -81, -78, 49, -92, -79]

Ex Output:

[49.5, -47.0, -80.5, -72.0, -81.0, -79.5, -14.5, -21.5, -85.5]