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:
[84, 76, -56, 90, -63, 11, -25, 44, -16, -86, -51, -87, -7, 38]

Ex Output:
[80.0, 10.0, 17.0, 13.5, -26.0, -7.0, 9.5, 14.0, -51.0, -68.5, -69.0, -47.0, 15.5]


Ex Input:
[33, -76, 34, -35, 27, 74]

Ex Output:
[-21.5, -21.0, -0.5, -4.0, 50.5]


Ex Input:
[-3, 88, 39, -4, -51]

Ex Output:

[42.5, 63.5, 17.5, -27.5]