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:
[65, -89, -12, -85, -58, 83]

Ex Output:
[-12.0, -50.5, -48.5, -71.5, 12.5]


Ex Input:
[79, 42, -75, -7]

Ex Output:
[60.5, -16.5, -41.0]


Ex Input:
[-49, -30, -19, -2, 14, -58, 0, -37, 66, -90, 74, 63, -76, 35]

Ex Output:

[-39.5, -24.5, -10.5, 6.0, -22.0, -29.0, -18.5, 14.5, -12.0, -8.0, 68.5, -6.5, -20.5]