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:
[-59, 49]

Ex Output:
[-5.0]


Ex Input:
[36, -11, 53, -4, 26, -25, 45, -41]

Ex Output:
[12.5, 21.0, 24.5, 11.0, 0.5, 10.0, 2.0]


Ex Input:
[18, 78, -41, -52, -59, 14, 57, -48, 50]

Ex Output:

[48.0, 18.5, -46.5, -55.5, -22.5, 35.5, 4.5, 1.0]