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:
[-76, -63, 15, 34, 34, 62, 23, -67, -17, 84, -47]

Ex Output:
[-69.5, -24.0, 24.5, 34.0, 48.0, 42.5, -22.0, -42.0, 33.5, 18.5]


Ex Input:
[-60, -90, 0, -81, 8]

Ex Output:
[-75.0, -45.0, -40.5, -36.5]


Ex Input:
[-24, 59, 84, -92, -25, 61, 76, 54, -66, 82, -55, 33, 55, 44, -67]

Ex Output:

[17.5, 71.5, -4.0, -58.5, 18.0, 68.5, 65.0, -6.0, 8.0, 13.5, -11.0, 44.0, 49.5, -11.5]