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:
[-64, 95]

Ex Output:
[15.5]


Ex Input:
[87, 22, 13, 9, -28, -51, -58, -11, 40, 60, 25]

Ex Output:
[54.5, 17.5, 11.0, -9.5, -39.5, -54.5, -34.5, 14.5, 50.0, 42.5]


Ex Input:
[75, 12, 15, 49, -81, -67, -57, 84]

Ex Output:

[43.5, 13.5, 32.0, -16.0, -74.0, -62.0, 13.5]