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:
[-96, 46, 64, 86, 20, -62, 73, -51, -35, 63, 34]

Ex Output:
[-25.0, 55.0, 75.0, 53.0, -21.0, 5.5, 11.0, -43.0, 14.0, 48.5]


Ex Input:
[40, 77, 36, 50, 36, 89, -13, 75, -57, -13, 15, 42, 72, 21]

Ex Output:
[58.5, 56.5, 43.0, 43.0, 62.5, 38.0, 31.0, 9.0, -35.0, 1.0, 28.5, 57.0, 46.5]


Ex Input:
[86, -66, -60]

Ex Output:

[10.0, -63.0]