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:
[-19, 69, 5, -99, 92, 24]

Ex Output:
[25.0, 37.0, -47.0, -3.5, 58.0]


Ex Input:
[-46, 9, 0, 37, 94, 80, -70, -34, 95, 52, 64, -39, 55, 11]

Ex Output:
[-18.5, 4.5, 18.5, 65.5, 87.0, 5.0, -52.0, 30.5, 73.5, 58.0, 12.5, 8.0, 33.0]


Ex Input:
[18, 55]

Ex Output:

[36.5]