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:
[-96, 12]

Ex Output:
[-42.0]


Ex Input:
[-42, -27, -37, -63, 89, -61, -68]

Ex Output:
[-34.5, -32.0, -50.0, 13.0, 14.0, -64.5]


Ex Input:
[11, -77, 77, 99, 95, -52, -56, 69, 81, 59, -55, 98]

Ex Output:

[-33.0, 0.0, 88.0, 97.0, 21.5, -54.0, 6.5, 75.0, 70.0, 2.0, 21.5]