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:
[-8, 35, 28, -100]

Ex Output:
[13.5, 31.5, -36.0]


Ex Input:
[81, -51, 1, -76, 11, 93, -3, 40, -15, -37, -20, -34, -85, -64, -34]

Ex Output:
[15.0, -25.0, -37.5, -32.5, 52.0, 45.0, 18.5, 12.5, -26.0, -28.5, -27.0, -59.5, -74.5, -49.0]


Ex Input:
[-100, 69, 1, 54, -1, 8, 6, -62, -38, 52]

Ex Output:

[-15.5, 35.0, 27.5, 26.5, 3.5, 7.0, -28.0, -50.0, 7.0]