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:
[24, 36, -19, 61, 6]

Ex Output:
[30.0, 8.5, 21.0, 33.5]


Ex Input:
[19, -40, -19, 7, 57, 87, -71, 17, 29, 60, 14, 61, 10, 71, 93]

Ex Output:
[-10.5, -29.5, -6.0, 32.0, 72.0, 8.0, -27.0, 23.0, 44.5, 37.0, 37.5, 35.5, 40.5, 82.0]


Ex Input:
[70, 39, 11, 2, 85, 27, 37, -39, 17]

Ex Output:

[54.5, 25.0, 6.5, 43.5, 56.0, 32.0, -1.0, -11.0]