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:
[-32, -39, -13]

Ex Output:
[-35.5, -26.0]


Ex Input:
[42, 55, -1, 83, 35, 85, 50, 90, -12, -65, 43, 94, 39, -39, -78]

Ex Output:
[48.5, 27.0, 41.0, 59.0, 60.0, 67.5, 70.0, 39.0, -38.5, -11.0, 68.5, 66.5, 0.0, -58.5]


Ex Input:
[-53, 73, 45, 91, -46]

Ex Output:

[10.0, 59.0, 68.0, 22.5]