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:
[-26, -40, -22, -65, -61, 16, 26, 51, -24]

Ex Output:
[-33.0, -31.0, -43.5, -63.0, -22.5, 21.0, 38.5, 13.5]


Ex Input:
[-30, -31, 75, 43, 12, -78, 39, 74, 69, -92, -23, -22]

Ex Output:
[-30.5, 22.0, 59.0, 27.5, -33.0, -19.5, 56.5, 71.5, -11.5, -57.5, -22.5]


Ex Input:
[4, -66, 1, -81, 85, -26, -39, 14]

Ex Output:

[-31.0, -32.5, -40.0, 2.0, 29.5, -32.5, -12.5]