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:
[-14, 33, -89]

Ex Output:
[9.5, -28.0]


Ex Input:
[30, 4, 19, 28, -28, 81, 78, -64, -4, 6, -33, 44, -76]

Ex Output:
[17.0, 11.5, 23.5, 0.0, 26.5, 79.5, 7.0, -34.0, 1.0, -13.5, 5.5, -16.0]


Ex Input:
[-88, 1, 79, -22, -58, -19, 37, 99, 77, -18, -83, 8, 77, -93]

Ex Output:

[-43.5, 40.0, 28.5, -40.0, -38.5, 9.0, 68.0, 88.0, 29.5, -50.5, -37.5, 42.5, -8.0]