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:
[66, 64, 72, -51, 62, 66, -93]

Ex Output:
[65.0, 68.0, 10.5, 5.5, 64.0, -13.5]


Ex Input:
[40, 34, -39]

Ex Output:
[37.0, -2.5]


Ex Input:
[64, -7, -73, -96, -28, 6, 97, 59, 37, 41, -34, -39, 26, -41]

Ex Output:

[28.5, -40.0, -84.5, -62.0, -11.0, 51.5, 78.0, 48.0, 39.0, 3.5, -36.5, -6.5, -7.5]