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:
[-17, -67, -20, -30, 91, 51, -35, -90, 6, 93, -32, -97, 98, -11]

Ex Output:
[-42.0, -43.5, -25.0, 30.5, 71.0, 8.0, -62.5, -42.0, 49.5, 30.5, -64.5, 0.5, 43.5]


Ex Input:
[41, -89, 75, -25, 95, -19, 62, -66, -87, -51, -1, 94]

Ex Output:
[-24.0, -7.0, 25.0, 35.0, 38.0, 21.5, -2.0, -76.5, -69.0, -26.0, 46.5]


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]


