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:
[-29, -99, 93, 44, 8, -55, 48, 2, 22, 45]

Ex Output:
[-64.0, -3.0, 68.5, 26.0, -23.5, -3.5, 25.0, 12.0, 33.5]


Ex Input:
[68, -66]

Ex Output:
[1.0]


Ex Input:
[8, 39, -84, -75, -18, 33, 90]

Ex Output:

[23.5, -22.5, -79.5, -46.5, 7.5, 61.5]